diff --git a/package.json b/package.json
index f16c8e2..f242925 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "LiveScript": "~1.2.0",
     "bower": "~1.4.1",
     "connect-livereload": "~0.3.2",
-    "express": "~3.11.0",
+    "express": "~4.17.3",
     "gulp": "~3.5.5",
     "gulp-concat": "~2.1.7",
     "gulp-filter": "~0.3.1",
diff --git a/yarn.lock b/yarn.lock
index 399d93c..5d7bc52 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -22,21 +22,13 @@ abbrev@1, abbrev@^1.0.5, abbrev@~1.1.1:
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
   integrity sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==
 
-accepts@1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.0.3.tgz#92b1db0d4f3db47b0530df6e15ae97db514dc2f8"
-  integrity sha1-krHbDU89tHsFMN9uFa6X21FNwvg=
-  dependencies:
-    mime "~1.2.11"
-    negotiator "0.4.6"
-
-accepts@~1.3.4:
-  version "1.3.7"
-  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
-  integrity sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==
+accepts@~1.3.4, accepts@~1.3.8:
+  version "1.3.8"
+  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.8.tgz#0bf0be125b67014adcb0b0921e62db7bffe16b2e"
+  integrity sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==
   dependencies:
-    mime-types "~2.1.24"
-    negotiator "0.6.2"
+    mime-types "~2.1.34"
+    negotiator "0.6.3"
 
 after@0.8.2:
   version "0.8.2"
@@ -198,6 +190,11 @@ array-find-index@^1.0.1:
   resolved "https://registry.yarnpkg.com/array-find-index/-/array-find-index-1.0.2.tgz#df010aa1287e164bbda6f9723b0a96a1ec4187a1"
   integrity sha1-3wEKoSh+Fku9pvlyOwqWoexBh6E=
 
+array-flatten@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
+  integrity sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg==
+
 array-map@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/array-map/-/array-map-0.0.0.tgz#88a2bab73d1cf7bcd5c1b118a003f66f665fa662"
@@ -290,31 +287,11 @@ base64-arraybuffer@0.1.4:
   resolved "https://registry.yarnpkg.com/base64-arraybuffer/-/base64-arraybuffer-0.1.4.tgz#9818c79e059b1355f97e0428a017c838e90ba812"
   integrity sha1-mBjHngWbE1X5fgQooBfIOOkLqBI=
 
-base64-url@1:
-  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/base64-url/-/base64-url-1.3.3.tgz#f8b6c537f09a4fc58c99cb86e0b0e9c61461a20f"
-  integrity sha1-+LbFN/CaT8WMmcuG4LDpxhRhog8=
-
-base64-url@1.2.1:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/base64-url/-/base64-url-1.2.1.tgz#199fd661702a0e7b7dcae6e0698bb089c52f6d78"
-  integrity sha1-GZ/WYXAqDnt9yubgaYuwicUvbXg=
-
 base64id@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/base64id/-/base64id-2.0.0.tgz#2770ac6bc47d312af97a8bf9a634342e0cd25cb6"
   integrity sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog==
 
-basic-auth-connect@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/basic-auth-connect/-/basic-auth-connect-1.0.0.tgz#fdb0b43962ca7b40456a7c2bb48fe173da2d2122"
-  integrity sha1-/bC0OWLKe0BFanwrtI/hc9otISI=
-
-batch@0.5.1:
-  version "0.5.1"
-  resolved "https://registry.yarnpkg.com/batch/-/batch-0.5.1.tgz#36a4bab594c050fd7b507bca0db30c2d92af4ff2"
-  integrity sha1-NqS6tZTAUP17UHvKDbMMLZKvT/I=
-
 bcrypt-pbkdf@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz#a4301d389b6a43f9b67ff3ca11a3f6637e360e9e"
@@ -383,18 +360,21 @@ bluebird@^3.5.0, bluebird@^3.5.1, bluebird@~3.5.1:
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.2.tgz#1be0908e054a751754549c270489c1505d4ab15a"
   integrity sha512-dhHTWMI7kMx5whMQntl7Vr9C6BvV10lFXDAasnqnrMYhXVCzzk6IO9Fo2L75jXHT07WrOngL1WDXOp+yYS91Yg==
 
-body-parser@1.4.3:
-  version "1.4.3"
-  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.4.3.tgz#4727952cff4af0773eefa4b226c2f4122f5e234d"
-  integrity sha1-RyeVLP9K8Hc+76SyJsL0Ei9eI00=
-  dependencies:
-    bytes "1.0.0"
-    depd "0.3.0"
-    iconv-lite "0.4.3"
-    media-typer "0.2.0"
-    qs "0.6.6"
-    raw-body "1.2.2"
-    type-is "1.3.1"
+body-parser@1.19.2:
+  version "1.19.2"
+  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.19.2.tgz#4714ccd9c157d44797b8b5607d72c0b89952f26e"
+  integrity sha512-SAAwOxgoCKMGs9uUAUFHygfLAyaniaoun6I8mFY9pRAJL9+Kec34aU+oIjDhTycub1jozEfEwx1W1IuOYxVSFw==
+  dependencies:
+    bytes "3.1.2"
+    content-type "~1.0.4"
+    debug "2.6.9"
+    depd "~1.1.2"
+    http-errors "1.8.1"
+    iconv-lite "0.4.24"
+    on-finished "~2.3.0"
+    qs "6.9.7"
+    raw-body "2.4.3"
+    type-is "~1.6.18"
 
 boom@0.4.x:
   version "0.4.2"
@@ -536,11 +516,6 @@ buffer-alloc@^1.2.0:
     buffer-alloc-unsafe "^1.1.0"
     buffer-fill "^1.0.0"
 
-buffer-crc32@0.2.3:
-  version "0.2.3"
-  resolved "https://registry.yarnpkg.com/buffer-crc32/-/buffer-crc32-0.2.3.tgz#bb54519e95d107cbd2400e76d0cab1467336d921"
-  integrity sha1-u1RRnpXRB8vSQA520MqxRnM22SE=
-
 buffer-fill@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/buffer-fill/-/buffer-fill-1.0.0.tgz#f8f78b76789888ef39f205cd637f68e702122b2c"
@@ -576,10 +551,10 @@ byte-size@^4.0.3:
   resolved "https://registry.yarnpkg.com/byte-size/-/byte-size-4.0.3.tgz#b7c095efc68eadf82985fccd9a2df43a74fa2ccd"
   integrity sha512-JGC3EV2bCzJH/ENSh3afyJrH4vwxbHTuO5ljLoI5+2iJOcEpMgP8T782jH9b5qGxf2mSUIp1lfGnfKNrRHpvVg==
 
-bytes@1, bytes@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/bytes/-/bytes-1.0.0.tgz#3569ede8ba34315fab99c3e92cb04c7220de1fa8"
-  integrity sha1-NWnt6Lo0MV+rmcPpLLBMciDeH6g=
+bytes@3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.2.tgz#8b0beeb98605adf1b128fa4386403c009e0221a5"
+  integrity sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==
 
 cacache@^10.0.4:
   version "10.0.4"
@@ -886,13 +861,6 @@ combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@1.3.2:
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-1.3.2.tgz#8a8f30ec670a6fdd64af52f1914b907d79ead5b5"
-  integrity sha1-io8w7GcKb91kr1LxkUuQfXnq1bU=
-  dependencies:
-    keypress "0.1.x"
-
 commander@2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.1.0.tgz#d121bbae860d9992a3d517ba96f56588e47c6781"
@@ -918,22 +886,6 @@ component-inherit@0.0.3:
   resolved "https://registry.yarnpkg.com/component-inherit/-/component-inherit-0.0.3.tgz#645fc4adf58b72b649d5cae65135619db26ff143"
   integrity sha1-ZF/ErfWLcrZJ1crmUTVhnbJv8UM=
 
-compressible@1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/compressible/-/compressible-1.1.0.tgz#124d8a7bba18a05a410a2f25bad413b1b94aff67"
-  integrity sha1-Ek2Ke7oYoFpBCi8lutQTsblK/2c=
-
-compression@1.0.7:
-  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/compression/-/compression-1.0.7.tgz#fc4bff261df4e37a130006f2db2a99a34896f55a"
-  integrity sha1-/Ev/Jh3043oTAAby2yqZo0iW9Vo=
-  dependencies:
-    accepts "1.0.3"
-    bytes "1.0.0"
-    compressible "1.1.0"
-    on-headers "0.0.0"
-    vary "0.1.0"
-
 concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
@@ -988,49 +940,6 @@ connect-livereload@~0.3.2:
   resolved "https://registry.yarnpkg.com/connect-livereload/-/connect-livereload-0.3.2.tgz#ddb70aa50901d583783662770e3d3b63d7ce40ff"
   integrity sha1-3bcKpQkB1YN4NmJ3Dj07Y9fOQP8=
 
-connect-timeout@1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/connect-timeout/-/connect-timeout-1.1.1.tgz#6c7e31c98f0ac68eb6d1305f67f21f5a6e90fd04"
-  integrity sha1-bH4xyY8Kxo620TBfZ/IfWm6Q/QQ=
-  dependencies:
-    debug "1.0.2"
-    on-headers "0.0.0"
-
-connect@2.20.2:
-  version "2.20.2"
-  resolved "https://registry.yarnpkg.com/connect/-/connect-2.20.2.tgz#44bc64334c7aebc2197c52c6874714002d0977be"
-  integrity sha1-RLxkM0x668IZfFLGh0cUAC0Jd74=
-  dependencies:
-    basic-auth-connect "1.0.0"
-    body-parser "1.4.3"
-    bytes "1.0.0"
-    compression "1.0.7"
-    connect-timeout "1.1.1"
-    cookie "0.1.2"
-    cookie-parser "1.3.1"
-    cookie-signature "1.0.3"
-    csurf "1.2.2"
-    debug "1.0.2"
-    depd "0.3.0"
-    errorhandler "1.1.0"
-    express-session "1.4.0"
-    finalhandler "0.0.2"
-    fresh "0.2.2"
-    media-typer "0.2.0"
-    method-override "2.0.2"
-    morgan "1.1.1"
-    multiparty "3.2.9"
-    on-headers "0.0.0"
-    parseurl "1.0.1"
-    pause "0.0.1"
-    qs "0.6.6"
-    response-time "2.0.0"
-    serve-favicon "2.0.1"
-    serve-index "1.1.2"
-    serve-static "1.2.3"
-    type-is "1.3.1"
-    vhost "2.0.0"
-
 console-control-strings@^1.0.0, console-control-strings@^1.1.0, console-control-strings@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
@@ -1043,6 +952,18 @@ constantinople@~1.0.2:
   dependencies:
     uglify-js "~2.4.0"
 
+content-disposition@0.5.4:
+  version "0.5.4"
+  resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.4.tgz#8b82b4efac82512a02bb0b1dcec9d2c5e8eb5bfe"
+  integrity sha512-FveZTNuGw04cxlAiWbzi6zTAL/lhehaWbTtgluJh4/E95DqMwTmha3KZN1aAWA8cFIhHzMZUvLevkw5Rqk+tSQ==
+  dependencies:
+    safe-buffer "5.2.1"
+
+content-type@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
+  integrity sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==
+
 convert-hex@~0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/convert-hex/-/convert-hex-0.1.0.tgz#08c04568922c27776b8a2e81a95d393362ea0b65"
@@ -1053,28 +974,15 @@ convert-string@~0.1.0:
   resolved "https://registry.yarnpkg.com/convert-string/-/convert-string-0.1.0.tgz#79ce41a9bb0d03bcf72cdc6a8f3c56fbbc64410a"
   integrity sha1-ec5BqbsNA7z3LNxqjzxW+7xkQQo=
 
-cookie-parser@1.3.1:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/cookie-parser/-/cookie-parser-1.3.1.tgz#30bfc2906a04489d59bcb9e32f90db08e04bb51e"
-  integrity sha1-ML/CkGoESJ1ZvLnjL5DbCOBLtR4=
-  dependencies:
-    cookie "0.1.2"
-    cookie-signature "1.0.3"
-
-cookie-signature@1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.3.tgz#91cd997cc51fb641595738c69cda020328f50ff9"
-  integrity sha1-kc2ZfMUftkFZVzjGnNoCAyj1D/k=
-
-cookie@0.1.2:
-  version "0.1.2"
-  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.1.2.tgz#72fec3d24e48a3432073d90c12642005061004b1"
-  integrity sha1-cv7D0k5Io0Mgc9kMEmQgBQYQBLE=
+cookie-signature@1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
+  integrity sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ==
 
-cookie@~0.4.1:
-  version "0.4.1"
-  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.1.tgz#afd713fe26ebd21ba95ceb61f9a8116e50a537d1"
-  integrity sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA==
+cookie@0.4.2, cookie@~0.4.1:
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.2.tgz#0e41f24de5ecf317947c82fc789e06a884824432"
+  integrity sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA==
 
 copy-concurrently@^1.0.0:
   version "1.0.5"
@@ -1128,16 +1036,6 @@ crypto-random-string@^1.0.0:
   resolved "https://registry.yarnpkg.com/crypto-random-string/-/crypto-random-string-1.0.0.tgz#a230f64f568310e1498009940790ec99545bca7e"
   integrity sha1-ojD2T1aDEOFJgAmUB5DsmVRbyn4=
 
-csrf-tokens@~2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/csrf-tokens/-/csrf-tokens-2.0.0.tgz#c821003fb8b6ad17bc977d6fd1a84bedc3ed619b"
-  integrity sha1-yCEAP7i2rRe8l31v0ahL7cPtYZs=
-  dependencies:
-    base64-url "1"
-    rndm "1"
-    scmp "~0.0.3"
-    uid-safe "1"
-
 css-parse@1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/css-parse/-/css-parse-1.0.4.tgz#38b0503fbf9da9f54e9c1dbda60e145c77117bdd"
@@ -1161,13 +1059,6 @@ css@~1.0.8:
     css-parse "1.0.4"
     css-stringify "1.0.5"
 
-csurf@1.2.2:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/csurf/-/csurf-1.2.2.tgz#2ea9f2d3f2d67b1e2253290e676b62195dcb7756"
-  integrity sha1-Lqny0/LWex4iUykOZ2tiGV3Ld1Y=
-  dependencies:
-    csrf-tokens "~2.0.0"
-
 ctype@0.5.3:
   version "0.5.3"
   resolved "https://registry.yarnpkg.com/ctype/-/ctype-0.5.3.tgz#82c18c2461f74114ef16c135224ad0b9144ca12f"
@@ -1226,12 +1117,12 @@ debug@*, debug@~4.1.0:
   dependencies:
     ms "^2.1.1"
 
-debug@1.0.2:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-1.0.2.tgz#3849591c10cce648476c3c7c2e2e3416db5963c4"
-  integrity sha1-OElZHBDM5khHbDx8Li40FttZY8Q=
+debug@2.6.9:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
   dependencies:
-    ms "0.6.2"
+    ms "2.0.0"
 
 debug@3.1.0, debug@~3.1.0:
   version "3.1.0"
@@ -1312,16 +1203,21 @@ delegates@^1.0.0:
   resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
   integrity sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=
 
-depd@0.3.0:
-  version "0.3.0"
-  resolved "https://registry.yarnpkg.com/depd/-/depd-0.3.0.tgz#11c9bc28e425325fbd8b38940beff69fa5326883"
-  integrity sha1-Ecm8KOQlMl+9iziUC+/2n6UyaIM=
+depd@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
+  integrity sha512-7emPTl6Dpo6JRXOXjLRxck+FlLRX5847cLKEn00PLAgc3g2hTZZgr+e4c2v6QpSmLeFP3n5yUo7ft6avBK/5jQ==
 
 deprecated@^0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/deprecated/-/deprecated-0.0.1.tgz#f9c9af5464afa1e7a971458a8bdef2aa94d5bb19"
   integrity sha1-+cmvVGSvoeepcUWKi97yqpTVuxk=
 
+destroy@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
+  integrity sha512-3NdhDuEXnfun/z7x9GOElY49LoqVHoGScmOKwmxhsS8N5Y+Z8KyPPDnaSzqWgYt/ji4mqwfTS34Htrk0zPIXVg==
+
 detect-indent@~5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-5.0.0.tgz#3871cc0a6a002e8c3e5b3cf7f336264675f06b9d"
@@ -1387,10 +1283,15 @@ editor@~1.0.0:
   resolved "https://registry.yarnpkg.com/editor/-/editor-1.0.0.tgz#60c7f87bd62bcc6a894fa8ccd6afb7823a24f742"
   integrity sha1-YMf4e9YrzGqJT6jM1q+3gjok90I=
 
-ee-first@1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.0.3.tgz#6c98c4089abecb5a7b85c1ac449aa603d3b3dabe"
-  integrity sha1-bJjECJq+y1p7hcGsRJqmA9Oz2r4=
+ee-first@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
+  integrity sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow==
+
+encodeurl@~1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
+  integrity sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w==
 
 encoding@^0.1.11:
   version "0.1.12"
@@ -1472,14 +1373,6 @@ error-ex@^1.2.0:
   dependencies:
     is-arrayish "^0.2.1"
 
-errorhandler@1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/errorhandler/-/errorhandler-1.1.0.tgz#273b0eb850ad103e9a6d63a9981d86f1b9a1202e"
-  integrity sha1-JzsOuFCtED6abWOpmB2G8bmhIC4=
-  dependencies:
-    accepts "1.0.3"
-    escape-html "1.0.1"
-
 es5-ext@^0.10.35, es5-ext@^0.10.9, es5-ext@~0.10.11, es5-ext@~0.10.14, es5-ext@~0.10.2, es5-ext@~0.10.46, es5-ext@~0.10.5, es5-ext@~0.10.6:
   version "0.10.46"
   resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.46.tgz#efd99f67c5a7ec789baa3daa7f79870388f7f572"
@@ -1545,10 +1438,10 @@ es6-weak-map@~0.1.4:
     es6-iterator "~0.1.3"
     es6-symbol "~2.0.1"
 
-escape-html@1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.1.tgz#181a286ead397a39a92857cfb1d43052e356bff0"
-  integrity sha1-GBoobq05ejmpKFfPsdQwUuNWv/A=
+escape-html@~1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
+  integrity sha512-NiSupZ4OeuGwr68lGIeym/ksIZMJodUGOSCZ/FSnTxcrekbvqrgdUxlJOMpijaKZVjAJrWrGs/6Jy8OMuyj9ow==
 
 escape-string-regexp@^1.0.0, escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
   version "1.0.5"
@@ -1565,6 +1458,11 @@ esprima@~1.0.4:
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-1.0.4.tgz#9f557e08fc3b4d26ece9dd34f8fbf476b62585ad"
   integrity sha1-n1V+CPw7TSbs6d00+Pv0drYlha0=
 
+etag@~1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
+  integrity sha512-aIL5Fx7mawVa300al2BnEE4iNvo1qETxLrPI/o05L7z6go7fCw1J6EQmbK4FmJ2AS7kgVF/KEZWufBfdClMcPg==
+
 event-emitter@~0.3.4:
   version "0.3.5"
   resolved "https://registry.yarnpkg.com/event-emitter/-/event-emitter-0.3.5.tgz#df8c69eef1647923c7157b9ce83840610b02cc39"
@@ -1586,41 +1484,41 @@ execa@^0.7.0:
     signal-exit "^3.0.0"
     strip-eof "^1.0.0"
 
-express-session@1.4.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/express-session/-/express-session-1.4.0.tgz#90bf8a939a1c8dc012e4a11e4c2fc3629f7cf894"
-  integrity sha1-kL+Kk5ocjcAS5KEeTC/DYp98+JQ=
-  dependencies:
-    buffer-crc32 "0.2.3"
-    cookie "0.1.2"
-    cookie-signature "1.0.3"
-    debug "1.0.2"
-    on-headers "0.0.0"
-    rand-token "0.2.1"
-    utils-merge "1.0.0"
-
-express@~3.11.0:
-  version "3.11.0"
-  resolved "https://registry.yarnpkg.com/express/-/express-3.11.0.tgz#f1c8e1c991a444dd7ae331bfb7f1a4557fcfd2ee"
-  integrity sha1-8cjhyZGkRN164zG/t/GkVX/P0u4=
-  dependencies:
-    buffer-crc32 "0.2.3"
-    commander "1.3.2"
-    connect "2.20.2"
-    cookie "0.1.2"
-    cookie-signature "1.0.3"
-    debug "1.0.2"
-    depd "0.3.0"
-    escape-html "1.0.1"
-    fresh "0.2.2"
-    merge-descriptors "0.0.2"
-    methods "1.0.1"
-    mkdirp "0.5.0"
-    parseurl "1.0.1"
-    proxy-addr "1.0.1"
-    range-parser "1.0.0"
-    send "0.4.3"
-    vary "0.1.0"
+express@~4.17.3:
+  version "4.17.3"
+  resolved "https://registry.yarnpkg.com/express/-/express-4.17.3.tgz#f6c7302194a4fb54271b73a1fe7a06478c8f85a1"
+  integrity sha512-yuSQpz5I+Ch7gFrPCk4/c+dIBKlQUxtgwqzph132bsT6qhuzss6I8cLJQz7B3rFblzd6wtcI0ZbGltH/C4LjUg==
+  dependencies:
+    accepts "~1.3.8"
+    array-flatten "1.1.1"
+    body-parser "1.19.2"
+    content-disposition "0.5.4"
+    content-type "~1.0.4"
+    cookie "0.4.2"
+    cookie-signature "1.0.6"
+    debug "2.6.9"
+    depd "~1.1.2"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    etag "~1.8.1"
+    finalhandler "~1.1.2"
+    fresh "0.5.2"
+    merge-descriptors "1.0.1"
+    methods "~1.1.2"
+    on-finished "~2.3.0"
+    parseurl "~1.3.3"
+    path-to-regexp "0.1.7"
+    proxy-addr "~2.0.7"
+    qs "6.9.7"
+    range-parser "~1.2.1"
+    safe-buffer "5.2.1"
+    send "0.17.2"
+    serve-static "1.14.2"
+    setprototypeof "1.2.0"
+    statuses "~1.5.0"
+    type-is "~1.6.18"
+    utils-merge "1.0.1"
+    vary "~1.1.2"
 
 extend@~1.2.1:
   version "1.2.1"
@@ -1679,13 +1577,18 @@ figures@^1.3.2, figures@^1.3.5:
     escape-string-regexp "^1.0.5"
     object-assign "^4.1.0"
 
-finalhandler@0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-0.0.2.tgz#0603d875ee87d567a266692815cc8ad44fcceeda"
-  integrity sha1-BgPYde6H1WeiZmkoFcyK1E/M7to=
-  dependencies:
-    debug "1.0.2"
-    escape-html "1.0.1"
+finalhandler@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.1.2.tgz#b7e7d000ffd11938d0fdb053506f6ebabe9f587d"
+  integrity sha512-aAWcW57uxVNrQZqFXjITpW3sIUQmHGG3qSb9mUah9MgMC4NeWhNOlNjXEYq3HjRAvL6arUviZGGJsBg6z0zsWA==
+  dependencies:
+    debug "2.6.9"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    on-finished "~2.3.0"
+    parseurl "~1.3.3"
+    statuses "~1.5.0"
+    unpipe "~1.0.0"
 
 find-index@^0.1.1:
   version "0.1.1"
@@ -1720,13 +1623,6 @@ findup-sync@~0.1.2:
     glob "~3.2.9"
     lodash "~2.4.1"
 
-finished@1.2.2:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/finished/-/finished-1.2.2.tgz#41608eafadfd65683b46a1220bc4b1ec3daedcd8"
-  integrity sha1-QWCOr639ZWg7RqEiC8Sx7D2u3Ng=
-  dependencies:
-    ee-first "1.0.3"
-
 flush-write-stream@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/flush-write-stream/-/flush-write-stream-1.0.3.tgz#c5d586ef38af6097650b49bc41b55fabb19f35bd"
@@ -1763,10 +1659,15 @@ form-data@~2.3.2:
     combined-stream "1.0.6"
     mime-types "^2.1.12"
 
-fresh@0.2.2:
-  version "0.2.2"
-  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.2.2.tgz#9731dcf5678c7faeb44fb903c4f72df55187fa77"
-  integrity sha1-lzHc9WeMf660T7kDxPct9VGH+nc=
+forwarded@0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.2.0.tgz#2269936428aad4c15c7ebe9779a84bf0b2a81811"
+  integrity sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow==
+
+fresh@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
+  integrity sha512-zJ2mQYM18rEFOudeV4GShTGIQ7RbzA7ozbU9I/XBpm7kqgMywgmylMwXHxZJmkVoYkna9d2pVXVXPdYTP9ej8Q==
 
 from2@^1.3.0:
   version "1.3.0"
@@ -2306,6 +2207,17 @@ http-cache-semantics@^3.8.1:
   resolved "https://registry.yarnpkg.com/http-cache-semantics/-/http-cache-semantics-3.8.1.tgz#39b0e16add9b605bf0a9ef3d9daaf4843b4cacd2"
   integrity sha512-5ai2iksyV8ZXmnZhHH4rWPoxxistEexSi5936zIQ1bnNTW5VnA85B6P/VpXiRM017IgRvb2kKo1a//y+0wSp3w==
 
+http-errors@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.8.1.tgz#7c3f28577cbc8a207388455dbd62295ed07bd68c"
+  integrity sha512-Kpk9Sm7NmI+RHhnj6OIWDI1d6fIoFAtFt9RLaTMRlg/8w49juAStsrBgp0Dp4OdxdVbRIeKhtCUvoi/RuAhO4g==
+  dependencies:
+    depd "~1.1.2"
+    inherits "2.0.4"
+    setprototypeof "1.2.0"
+    statuses ">= 1.5.0 < 2"
+    toidentifier "1.0.1"
+
 http-proxy-agent@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/http-proxy-agent/-/http-proxy-agent-2.1.0.tgz#e4821beef5b2142a2026bd73926fe537631c5405"
@@ -2347,12 +2259,7 @@ humanize-ms@^1.2.1:
   dependencies:
     ms "^2.0.0"
 
-iconv-lite@0.4.3:
-  version "0.4.3"
-  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.3.tgz#9e7887793b769cc695eb22d2546a4fd2d79b7a1e"
-  integrity sha1-nniHeTt2nMaV6yLSVGpP0tebeh4=
-
-iconv-lite@~0.4.13:
+iconv-lite@0.4.24, iconv-lite@~0.4.13:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
   integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
@@ -2421,6 +2328,11 @@ inherits@2, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1,
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
   integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
 
+inherits@2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
 ini@^1.3.4, ini@^1.3.5, ini@~1.3.0:
   version "1.3.8"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.8.tgz#a29da425b48806f34767a4efce397269af28432c"
@@ -2504,10 +2416,10 @@ ip@^1.1.4, ip@^1.1.5:
   resolved "https://registry.yarnpkg.com/ip/-/ip-1.1.5.tgz#bdded70114290828c0a039e72ef25f5aaec4354a"
   integrity sha1-vd7XARQpCCjAoDnnLvJfWq7ENUo=
 
-ipaddr.js@0.1.2:
-  version "0.1.2"
-  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-0.1.2.tgz#6a1fd3d854f5002965c34d7bbcd9b4a8d4b0467e"
-  integrity sha1-ah/T2FT1ACllw017vNm0qNSwRn4=
+ipaddr.js@1.9.1:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.9.1.tgz#bff38543eeb8984825079ff3a2a8e6cbd46781b3"
+  integrity sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g==
 
 is-arrayish@^0.2.1:
   version "0.2.1"
@@ -2710,11 +2622,6 @@ junk@^1.0.0:
   resolved "https://registry.yarnpkg.com/junk/-/junk-1.0.3.tgz#87be63488649cbdca6f53ab39bec9ccd2347f592"
   integrity sha1-h75jSIZJy9ym9Tqzm+yczSNH9ZI=
 
-keypress@0.1.x:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/keypress/-/keypress-0.1.0.tgz#4a3188d4291b66b4f65edb99f806aa9ae293592a"
-  integrity sha1-SjGI1CkbZrT2XtuZ+AaqmuKTWSo=
-
 latest-version@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/latest-version/-/latest-version-1.0.1.tgz#72cfc46e3e8d1be651e1ebb54ea9f6ea96f374bb"
@@ -3201,10 +3108,10 @@ meant@~1.0.1:
   resolved "https://registry.yarnpkg.com/meant/-/meant-1.0.1.tgz#66044fea2f23230ec806fb515efea29c44d2115d"
   integrity sha512-UakVLFjKkbbUwNWJ2frVLnnAtbb7D7DsloxRd3s/gDpI8rdv8W5Hp3NaDb+POBI1fQdeussER6NB8vpcRURvlg==
 
-media-typer@0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.2.0.tgz#d8a065213adfeaa2e76321a2b6dda36ff6335984"
-  integrity sha1-2KBlITrf6qLnYyGitt2jb/YzWYQ=
+media-typer@0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
+  integrity sha512-dq+qelQ9akHpcOl/gUVRTxVIOkAJ1wR3QAvb4RsVjS8oVoFjDGTc679wJYmUmknUF5HwMLOgb5O+a3KxfWapPQ==
 
 mem@^1.1.0:
   version "1.1.0"
@@ -3242,30 +3149,26 @@ meow@^3.3.0:
     redent "^1.0.0"
     trim-newlines "^1.0.0"
 
-merge-descriptors@0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-0.0.2.tgz#c36a52a781437513c57275f39dd9d317514ac8c7"
-  integrity sha1-w2pSp4FDdRPFcnXzndnTF1FKyMc=
-
-method-override@2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/method-override/-/method-override-2.0.2.tgz#00531278c79789640bf27e97e26a3a5a1f7cca73"
-  integrity sha1-AFMSeMeXiWQL8n6X4mo6Wh98ynM=
-  dependencies:
-    methods "1.0.1"
-    parseurl "1.0.1"
-    vary "0.1.0"
-
-methods@1.0.1:
+merge-descriptors@1.0.1:
   version "1.0.1"
-  resolved "https://registry.yarnpkg.com/methods/-/methods-1.0.1.tgz#75bc91943dffd7da037cf3eeb0ed73a0037cd14b"
-  integrity sha1-dbyRlD3/19oDfPPusO1zoAN80Us=
+  resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
+  integrity sha512-cCi6g3/Zr1iqQi6ySbseM1Xvooa98N0w31jzUYrXPX2xqObmFGHJ0tQ5u74H3mVh7wLouTseZyYIq39g8cNp1w==
+
+methods@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
+  integrity sha512-iclAHeNqNm68zFtnZ0e+1L2yUIdvzNoauKU4WBA3VvH/vPFieF7qfRlwUZU+DA9P9bPXIS90ulxoUoCH23sV2w==
 
 mime-db@1.45.0:
   version "1.45.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.45.0.tgz#cceeda21ccd7c3a745eba2decd55d4b73e7879ea"
   integrity sha512-CkqLUxUk15hofLoLyljJSrukZi8mAtgd+yE5uO4tqRZsdsAJKv0O+rFMhVDRJgozy+yG6md5KwuXhD4ocIoP+w==
 
+mime-db@1.52.0:
+  version "1.52.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.52.0.tgz#bbabcdc02859f4987301c856e3387ce5ec43bf70"
+  integrity sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==
+
 mime-db@~1.12.0:
   version "1.12.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.12.0.tgz#3d0c63180f458eb10d325aaa37d7c58ae312e9d7"
@@ -3276,11 +3179,6 @@ mime-db@~1.36.0:
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.36.0.tgz#5020478db3c7fe93aad7bbcc4dcf869c43363397"
   integrity sha512-L+xvyD9MkoYMXb1jAmzI/lWYAxAMCPvIBSWur0PZ5nOf5euahRLVqH//FKW9mWp2lkqUgYiXPgkzfMUFi4zVDw==
 
-mime-types@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-1.0.0.tgz#6a7b4a6af2e7d92f97afe03f047c7801e8f001d2"
-  integrity sha1-antKavLn2S+Xr+A/BHx4AejwAdI=
-
 mime-types@^2.1.12, mime-types@~2.1.19:
   version "2.1.20"
   resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.20.tgz#930cb719d571e903738520f8470911548ca2cc19"
@@ -3307,12 +3205,14 @@ mime-types@~2.1.24:
   dependencies:
     mime-db "1.45.0"
 
-mime@1.2.11, mime@~1.2.11:
-  version "1.2.11"
-  resolved "https://registry.yarnpkg.com/mime/-/mime-1.2.11.tgz#58203eed86e3a5ef17aed2b7d9ebd47f0a60dd10"
-  integrity sha1-WCA+7Ybjpe8XrtK32evUfwpg3RA=
+mime-types@~2.1.34:
+  version "2.1.35"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.35.tgz#381a871b62a734450660ae3deee44813f70d959a"
+  integrity sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==
+  dependencies:
+    mime-db "1.52.0"
 
-mime@^1.2.11:
+mime@1.6.0, mime@^1.2.11:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
   integrity sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==
@@ -3450,13 +3350,6 @@ monocle@1.1.51:
   dependencies:
     readdirp "~0.2.3"
 
-morgan@1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/morgan/-/morgan-1.1.1.tgz#cde45d2e807ebcc439745846ea80392e69098146"
-  integrity sha1-zeRdLoB+vMQ5dFhG6oA5LmkJgUY=
-  dependencies:
-    bytes "1.0.0"
-
 mout@^0.11.0:
   version "0.11.1"
   resolved "https://registry.yarnpkg.com/mout/-/mout-0.11.1.tgz#ba3611df5f0e5b1ffbfd01166b8f02d1f5fa2b99"
@@ -3479,16 +3372,16 @@ move-concurrently@^1.0.1:
     rimraf "^2.5.4"
     run-queue "^1.0.3"
 
-ms@0.6.2:
-  version "0.6.2"
-  resolved "https://registry.yarnpkg.com/ms/-/ms-0.6.2.tgz#d89c2124c6fdc1353d65a8b77bf1aac4b193708c"
-  integrity sha1-2JwhJMb9wTU9Zai3e/GqxLGTcIw=
-
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
   integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
 
+ms@2.1.3:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.3.tgz#574c8138ce1d2b5861f0b44579dbadd60c6615b2"
+  integrity sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==
+
 ms@^2.0.0, ms@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
@@ -3502,14 +3395,6 @@ multimatch@~0.1.0:
     lodash "~2.4.1"
     minimatch "~0.2.14"
 
-multiparty@3.2.9:
-  version "3.2.9"
-  resolved "https://registry.yarnpkg.com/multiparty/-/multiparty-3.2.9.tgz#c73373ea9c012e7776ce5bc40c936264b6ba2c1e"
-  integrity sha1-xzNz6pwBLnd2zlvEDJNiZLa6LB4=
-  dependencies:
-    readable-stream "~1.1.9"
-    stream-counter "~0.2.0"
-
 multipipe@^0.1.0, multipipe@^0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/multipipe/-/multipipe-0.1.2.tgz#2a8f2ddf70eed564dff2d57f1e1a137d9f05078b"
@@ -3537,25 +3422,15 @@ mysql@^2.6.2:
     safe-buffer "5.1.2"
     sqlstring "2.3.1"
 
-native-or-bluebird@~1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/native-or-bluebird/-/native-or-bluebird-1.1.2.tgz#3921e110232d1eb790f3dac61bb370531c7d356e"
-  integrity sha1-OSHhECMtHreQ89rGG7NwUxx9NW4=
-
 natives@^1.1.0:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/natives/-/natives-1.1.5.tgz#3bdbdb4104023e5dd239b56fc7ef3d9a17acc6aa"
   integrity sha512-1pJ+02gl2KJgCPFtpZGtuD4lGSJnIZvvFHCQTOeDRMSXjfu2GmYWuhI8NFMA4W2I5NNFRbfy/YCiVt4CgNpP8A==
 
-negotiator@0.4.6:
-  version "0.4.6"
-  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.4.6.tgz#f45faf9fa833ed3ca51250ea9a7ddfc4267a44b3"
-  integrity sha1-9F+vn6gz7TylElDqmn3fxCZ6RLM=
-
-negotiator@0.6.2:
-  version "0.6.2"
-  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
-  integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
+negotiator@0.6.3:
+  version "0.6.3"
+  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.3.tgz#58e323a72fedc0d6f9cd4d31fe49f51479590ccd"
+  integrity sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==
 
 nested-error-stacks@^1.0.0:
   version "1.0.2"
@@ -3957,10 +3832,12 @@ object-keys@~0.4.0:
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-0.4.0.tgz#28a6aae7428dd2c3a92f3d95f21335dd204e0336"
   integrity sha1-KKaq50KN0sOpLz2V8hM13SBOAzY=
 
-on-headers@0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/on-headers/-/on-headers-0.0.0.tgz#ee2817f8344325785cd9c2df2b242bbc17caf4c4"
-  integrity sha1-7igX+DRDJXhc2cLfKyQrvBfK9MQ=
+on-finished@~2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
+  integrity sha512-ikqdkGAAyf/X/gPhXGvfgAytDZtDbr+bkNUJ0N9h5MI/dmdgCs3l6hoHrcUv41sRKew3jIwrp4qQDXiK99Utww==
+  dependencies:
+    ee-first "1.1.1"
 
 once@^1.3.0, once@^1.3.1, once@^1.3.3, once@^1.4.0, once@~1.4.0:
   version "1.4.0"
@@ -4168,10 +4045,10 @@ parseuri@0.0.6:
   resolved "https://registry.yarnpkg.com/parseuri/-/parseuri-0.0.6.tgz#e1496e829e3ac2ff47f39a4dd044b32823c4a25a"
   integrity sha512-AUjen8sAkGgao7UyCX6Ahv0gIK2fABKmYjvP4xmy5JaKvcbTRueIqIPHLAfq30xJddqSE033IOMUSOMCcK3Sow==
 
-parseurl@1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.0.1.tgz#2e57dce6efdd37c3518701030944c22bf388b7b4"
-  integrity sha1-Llfc5u/dN8NRhwEDCUTCK/OIt7Q=
+parseurl@~1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
+  integrity sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==
 
 path-exists@^2.0.0:
   version "2.1.0"
@@ -4200,6 +4077,11 @@ path-key@^2.0.0:
   resolved "https://registry.yarnpkg.com/path-key/-/path-key-2.0.1.tgz#411cadb574c5a140d3a4b1910d40d80cc9f40b40"
   integrity sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A=
 
+path-to-regexp@0.1.7:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
+  integrity sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ==
+
 path-type@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
@@ -4209,11 +4091,6 @@ path-type@^1.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
-pause@0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/pause/-/pause-0.0.1.tgz#1d408b3fdb76923b9543d96fb4c9dfd535d9cb5d"
-  integrity sha1-HUCLP9t2kjuVQ9lvtMnf1TXZy10=
-
 performance-now@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
@@ -4307,12 +4184,13 @@ protoduck@^5.0.0:
   dependencies:
     genfun "^4.0.1"
 
-proxy-addr@1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-1.0.1.tgz#c7c566d5eb4e3fad67eeb9c77c5558ccc39b88a8"
-  integrity sha1-x8Vm1etOP61n7rnHfFVYzMObiKg=
+proxy-addr@~2.0.7:
+  version "2.0.7"
+  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.7.tgz#f19fe69ceab311eeb94b42e70e8c2070f9ba1025"
+  integrity sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==
   dependencies:
-    ipaddr.js "0.1.2"
+    forwarded "0.2.0"
+    ipaddr.js "1.9.1"
 
 prr@~1.0.1:
   version "1.0.1"
@@ -4387,10 +4265,10 @@ qrcode-terminal@^0.12.0:
   resolved "https://registry.yarnpkg.com/qrcode-terminal/-/qrcode-terminal-0.12.0.tgz#bb5b699ef7f9f0505092a3748be4464fe71b5819"
   integrity sha512-EXtzRZmC+YGmGlDFbXKxQiMZNwCLEO6BANKXG4iCtSIM0yqc/pappSx3RIKr4r0uh5JsBckOXeKrB3Iz7mdQpQ==
 
-qs@0.6.6:
-  version "0.6.6"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-0.6.6.tgz#6e015098ff51968b8a3c819001d5f2c89bc4b107"
-  integrity sha1-bgFQmP9RlouKPIGQAdXyyJvEsQc=
+qs@6.9.7:
+  version "6.9.7"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.7.tgz#4610846871485e1e048f44ae3b94033f0e675afe"
+  integrity sha512-IhMFgUmuNpyRfxA90umL7ByLlgRXu6tIfKPpF5TmcfRLlLCckfP/g3IQmju6jjpu+Hh8rA+2p6A27ZSPOOHdKw==
 
 qs@~0.5.2:
   version "0.5.6"
@@ -4420,28 +4298,20 @@ qw@~1.0.1:
   resolved "https://registry.yarnpkg.com/qw/-/qw-1.0.1.tgz#efbfdc740f9ad054304426acb183412cc8b996d4"
   integrity sha1-77/cdA+a0FQwRCassYNBLMi5ltQ=
 
-rand-token@0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/rand-token/-/rand-token-0.2.1.tgz#dc67c8123306c91227b2dc3f5bea73d301376226"
-  integrity sha1-3GfIEjMGyRInstw/W+pz0wE3YiY=
-
-range-parser@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.0.0.tgz#a4b264cfe0be5ce36abe3765ac9c2a248746dbc0"
-  integrity sha1-pLJkz+C+XONqvjdlrJwqJIdG28A=
-
-range-parser@~1.0.0:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.0.3.tgz#6872823535c692e2c2a0103826afd82c2e0ff175"
-  integrity sha1-aHKCNTXGkuLCoBA4Jq/YLC4P8XU=
+range-parser@~1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.1.tgz#3cf37023d199e1c24d1a55b84800c2f3e6468031"
+  integrity sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==
 
-raw-body@1.2.2:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-1.2.2.tgz#0c68e1ee28cfed7dba4822234aec6078461cbc1f"
-  integrity sha1-DGjh7ijP7X26SCIjSuxgeEYcvB8=
+raw-body@2.4.3:
+  version "2.4.3"
+  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.4.3.tgz#8f80305d11c2a0a545c2d9d89d7a0286fcead43c"
+  integrity sha512-UlTNLIcu0uzb4D2f4WltY6cVjLi+/jEN4lgEUj3E04tpMDpUlkBo/eSn6zou9hum2VMNpCCUone0O0WeJim07g==
   dependencies:
-    bytes "1"
-    iconv-lite "0.4.3"
+    bytes "3.1.2"
+    http-errors "1.8.1"
+    iconv-lite "0.4.24"
+    unpipe "1.0.0"
 
 rc@^1.0.1, rc@^1.1.6:
   version "1.2.8"
@@ -4552,7 +4422,7 @@ read@1, read@~1.0.1, read@~1.0.4, read@~1.0.7:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-readable-stream@^1.0.26-2, readable-stream@^1.1.8, readable-stream@~1.1.10, readable-stream@~1.1.8, readable-stream@~1.1.9:
+readable-stream@^1.0.26-2, readable-stream@^1.1.8, readable-stream@~1.1.10, readable-stream@~1.1.9:
   version "1.1.14"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
   integrity sha1-fPTFTvZI44EwhMY23SB54WbAgdk=
@@ -4734,13 +4604,6 @@ resolve@~0.6.1:
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-0.6.3.tgz#dd957982e7e736debdf53b58a4dd91754575dd46"
   integrity sha1-3ZV5gufnNt699TtYpN2RdUV13UY=
 
-response-time@2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/response-time/-/response-time-2.0.0.tgz#65cb39fd50de2f4ffdbdd285f1855966bd6fcb36"
-  integrity sha1-Zcs5/VDeL0/9vdKF8YVZZr1vyzY=
-  dependencies:
-    on-headers "0.0.0"
-
 retry@0.6.1, retry@~0.6.0:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/retry/-/retry-0.6.1.tgz#fdc90eed943fde11b893554b8cc63d0e899ba918"
@@ -4768,11 +4631,6 @@ rimraf@~2.2.0:
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.2.8.tgz#e439be2aaee327321952730f99a8929e4fc50582"
   integrity sha1-5Dm+Kq7jJzIZUnMPmaiSnk/FBYI=
 
-rndm@1:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/rndm/-/rndm-1.2.0.tgz#f33fe9cfb52bbfd520aa18323bc65db110a1b76c"
-  integrity sha1-8z/pz7Urv9UgqhgyO8ZdsRCht2w=
-
 run-queue@^1.0.0, run-queue@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/run-queue/-/run-queue-1.0.3.tgz#e848396f057d223f24386924618e25694161ec47"
@@ -4785,11 +4643,16 @@ rx@^2.2.27, rx@^2.4.3:
   resolved "https://registry.yarnpkg.com/rx/-/rx-2.5.3.tgz#21adc7d80f02002af50dae97fd9dbf248755f566"
   integrity sha1-Ia3H2A8CACr1Da6X/Z2/JIdV9WY=
 
-safe-buffer@5.1.2, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
+safe-buffer@5.2.1, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
+
 "safer-buffer@>= 2.1.2 < 3", safer-buffer@^2.0.2, safer-buffer@^2.1.0, safer-buffer@~2.1.0:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
@@ -4800,11 +4663,6 @@ sax@0.5.x:
   resolved "https://registry.yarnpkg.com/sax/-/sax-0.5.8.tgz#d472db228eb331c2506b0e8c15524adb939d12c1"
   integrity sha1-1HLbIo6zMcJQaw6MFVJK25OdEsE=
 
-scmp@~0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/scmp/-/scmp-0.0.3.tgz#3648df2d7294641e7f78673ffc29681d9bad9073"
-  integrity sha1-NkjfLXKUZB5/eGc//CloHZutkHM=
-
 semver-diff@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/semver-diff/-/semver-diff-2.1.0.tgz#4bbb8437c8d37e4b0cf1a68fd726ec6d645d6d36"
@@ -4827,52 +4685,50 @@ semver@~5.3.0:
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
   integrity sha1-myzl094C0XxgEq0yaqa00M9U+U8=
 
-send@0.4.3:
-  version "0.4.3"
-  resolved "https://registry.yarnpkg.com/send/-/send-0.4.3.tgz#9627b23b7707fbf6373831cac5793330b594b640"
-  integrity sha1-lieyO3cH+/Y3ODHKxXkzMLWUtkA=
-  dependencies:
-    debug "1.0.2"
-    escape-html "1.0.1"
-    finished "1.2.2"
-    fresh "0.2.2"
-    mime "1.2.11"
-    range-parser "~1.0.0"
+send@0.17.2:
+  version "0.17.2"
+  resolved "https://registry.yarnpkg.com/send/-/send-0.17.2.tgz#926622f76601c41808012c8bf1688fe3906f7820"
+  integrity sha512-UJYB6wFSJE3G00nEivR5rgWp8c2xXvJ3OPWPhmuteU0IKj8nKbG3DrjiOmLwpnHGYWAVwA69zmTm++YG0Hmwww==
+  dependencies:
+    debug "2.6.9"
+    depd "~1.1.2"
+    destroy "~1.0.4"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    etag "~1.8.1"
+    fresh "0.5.2"
+    http-errors "1.8.1"
+    mime "1.6.0"
+    ms "2.1.3"
+    on-finished "~2.3.0"
+    range-parser "~1.2.1"
+    statuses "~1.5.0"
 
 sequencify@~0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/sequencify/-/sequencify-0.0.7.tgz#90cff19d02e07027fd767f5ead3e7b95d1e7380c"
   integrity sha1-kM/xnQLgcCf9dn9erT57ldHnOAw=
 
-serve-favicon@2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/serve-favicon/-/serve-favicon-2.0.1.tgz#4826975d9f173ca3a4158e9698161f75dec7afec"
-  integrity sha1-SCaXXZ8XPKOkFY6WmBYfdd7Hr+w=
-  dependencies:
-    fresh "0.2.2"
-
-serve-index@1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/serve-index/-/serve-index-1.1.2.tgz#0742b480998257539c2d2acc6ca1f4aaf267f972"
-  integrity sha1-B0K0gJmCV1OcLSrMbKH0qvJn+XI=
-  dependencies:
-    accepts "1.0.3"
-    batch "0.5.1"
-
-serve-static@1.2.3:
-  version "1.2.3"
-  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.2.3.tgz#93cecbc340f079ecb8589281d1dc31c26c0cd158"
-  integrity sha1-k87Lw0Dweey4WJKB0dwxwmwM0Vg=
+serve-static@1.14.2:
+  version "1.14.2"
+  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.14.2.tgz#722d6294b1d62626d41b43a013ece4598d292bfa"
+  integrity sha512-+TMNA9AFxUEGuC0z2mevogSnn9MXKb4fa7ngeRMJaaGv8vTwnIEkKi+QGvPt33HSnf8pRS+WGM0EbMtCJLKMBQ==
   dependencies:
-    escape-html "1.0.1"
-    parseurl "1.0.1"
-    send "0.4.3"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    parseurl "~1.3.3"
+    send "0.17.2"
 
 set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
   integrity sha1-BF+XgtARrppoA93TgrJDkrPYkPc=
 
+setprototypeof@1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.2.0.tgz#66c9a24a73f9fc28cbe66b09fed3d33dcaf1b424"
+  integrity sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==
+
 sha256@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/sha256/-/sha256-0.2.0.tgz#73a0b418daab7035bff86e8491e363412fc2ab05"
@@ -5137,18 +4993,16 @@ ssri@^6.0.0:
   dependencies:
     figgy-pudding "^3.5.1"
 
+"statuses@>= 1.5.0 < 2", statuses@~1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
+  integrity sha512-OpZ3zP+jT1PI7I8nemJX4AKmAX070ZkYPVWV/AaKTJl+tXCTGyVdC1a4SL8RUQYEwk/f34ZX8UTykN68FwrqAA==
+
 stream-consume@~0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/stream-consume/-/stream-consume-0.1.1.tgz#d3bdb598c2bd0ae82b8cac7ac50b1107a7996c48"
   integrity sha512-tNa3hzgkjEP7XbCkbRXe1jpg+ievoa0O4SCFlMOYEscGSS4JJsckGL8swUyAa/ApGU3Ae4t6Honor4HhL+tRyg==
 
-stream-counter@~0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/stream-counter/-/stream-counter-0.2.0.tgz#ded266556319c8b0e222812b9cf3b26fa7d947de"
-  integrity sha1-3tJmVWMZyLDiIoErnPOyb6fZR94=
-  dependencies:
-    readable-stream "~1.1.8"
-
 stream-each@^1.1.0:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/stream-each/-/stream-each-1.2.3.tgz#ebe27a0c389b04fbcc233642952e10731afa9bae"
@@ -5481,6 +5335,11 @@ to-buffer@^1.1.1:
   resolved "https://registry.yarnpkg.com/to-buffer/-/to-buffer-1.1.1.tgz#493bd48f62d7c43fcded313a03dcadb2e1213a80"
   integrity sha512-lx9B5iv7msuFYE3dytT+KE5tap+rNYw+K4jVkb9R/asAb+pbBSM17jtunHplhBe6RRJdZx3Pn2Jph24O32mOVg==
 
+toidentifier@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.1.tgz#3be34321a88a820ed1bd80dfaa33e479fbb8dd35"
+  integrity sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==
+
 touch@0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/touch/-/touch-0.0.3.tgz#51aef3d449571d4f287a5d87c9c8b49181a0db1d"
@@ -5539,13 +5398,13 @@ tweetnacl@^0.14.3, tweetnacl@~0.14.0:
   resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
   integrity sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=
 
-type-is@1.3.1:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.3.1.tgz#a6789b5a52138289ade1ef8f6d9f2874ffd70b6b"
-  integrity sha1-pnibWlITgomt4e+PbZ8odP/XC2s=
+type-is@~1.6.18:
+  version "1.6.18"
+  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.18.tgz#4e552cd05df09467dcbc4ef739de89f2cf37c131"
+  integrity sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==
   dependencies:
-    media-typer "0.2.0"
-    mime-types "1.0.0"
+    media-typer "0.3.0"
+    mime-types "~2.1.24"
 
 typedarray@^0.0.6:
   version "0.0.6"
@@ -5599,14 +5458,6 @@ uid-number@0.0.6:
   resolved "https://registry.yarnpkg.com/uid-number/-/uid-number-0.0.6.tgz#0ea10e8035e8eb5b8e4449f06da1c730663baa81"
   integrity sha1-DqEOgDXo61uOREnwbaHHMGY7qoE=
 
-uid-safe@1:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/uid-safe/-/uid-safe-1.1.0.tgz#58d6c5dabf8dfbd8d52834839806c03fd6143232"
-  integrity sha1-WNbF2r+N+9jVKDSDmAbAP9YUMjI=
-  dependencies:
-    base64-url "1.2.1"
-    native-or-bluebird "~1.1.2"
-
 umask@^1.1.0, umask@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/umask/-/umask-1.1.0.tgz#f29cebf01df517912bb58ff9c4e50fde8e33320d"
@@ -5638,7 +5489,7 @@ unique-string@^1.0.0:
   dependencies:
     crypto-random-string "^1.0.0"
 
-unpipe@~1.0.0:
+unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
   integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=
@@ -5698,10 +5549,10 @@ util-extend@^1.0.1:
   resolved "https://registry.yarnpkg.com/util-extend/-/util-extend-1.0.3.tgz#a7c216d267545169637b3b6edc6ca9119e2ff93f"
   integrity sha1-p8IW0mdUUWljeztu3GypEZ4v+T8=
 
-utils-merge@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.0.tgz#0294fb922bb9375153541c4f7096231f287c8af8"
-  integrity sha1-ApT7kiu5N1FTVBxPcJYjHyh8ivg=
+utils-merge@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
+  integrity sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA==
 
 uuid@^2.0.1:
   version "2.0.3"
@@ -5728,10 +5579,10 @@ validate-npm-package-name@^3.0.0, validate-npm-package-name@~3.0.0:
   dependencies:
     builtins "^1.0.3"
 
-vary@0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/vary/-/vary-0.1.0.tgz#df0945899e93c0cc5bd18cc8321d9d21e74f6176"
-  integrity sha1-3wlFiZ6TwMxb0YzIMh2dIedPYXY=
+vary@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
+  integrity sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==
 
 verror@1.10.0:
   version "1.10.0"
@@ -5742,11 +5593,6 @@ verror@1.10.0:
     core-util-is "1.0.2"
     extsprintf "^1.2.0"
 
-vhost@2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/vhost/-/vhost-2.0.0.tgz#1e26770bd0fce86c40945591e6f284c6891791e2"
-  integrity sha1-HiZ3C9D86GxAlFWR5vKExokXkeI=
-
 vinyl-fs@^0.1.0:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/vinyl-fs/-/vinyl-fs-0.1.4.tgz#436f7818b68854cb7425cd32fabd75f2cc6d321f"