diff --git a/package-lock.json b/package-lock.json
index 4edc00c..d67eb2c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -167,7 +167,6 @@
         "lodash": "^4.11.1",
         "memory-fs": "^0.4.1",
         "node-modules-path": "^1.0.0",
-        "node-sass": "^4.3.0",
         "nopt": "^4.0.1",
         "opn": "~5.1.0",
         "portfinder": "~1.0.12",
@@ -1603,7 +1602,6 @@
       "dependencies": {
         "anymatch": "^1.3.0",
         "async-each": "^1.0.0",
-        "fsevents": "^1.0.0",
         "glob-parent": "^2.0.0",
         "inherits": "^2.0.1",
         "is-binary-path": "^1.0.0",
@@ -1637,9 +1635,9 @@
       }
     },
     "node_modules/chownr": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.0.1.tgz",
-      "integrity": "sha1-4qdQQqlVGQi+vSW4Uj1fl2nXkYE=",
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+      "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==",
       "dev": true
     },
     "node_modules/cipher-base": {
@@ -5181,13 +5179,8 @@
       "dependencies": {
         "asn1": "~0.2.3",
         "assert-plus": "^1.0.0",
-        "bcrypt-pbkdf": "^1.0.0",
         "dashdash": "^1.12.0",
-        "ecc-jsbn": "~0.1.1",
-        "getpass": "^0.1.1",
-        "jodid25519": "^1.0.0",
-        "jsbn": "~0.1.0",
-        "tweetnacl": "~0.14.0"
+        "getpass": "^0.1.1"
       },
       "bin": {
         "sshpk-conv": "bin/sshpk-conv",
@@ -5700,8 +5693,7 @@
       "integrity": "sha1-npsTCpPjiUkTItl1zz7BgYw3zjQ=",
       "dev": true,
       "dependencies": {
-        "optimist": "~0.3",
-        "uglify-js": "~2.3"
+        "optimist": "~0.3"
       },
       "bin": {
         "handlebars": "bin/handlebars"
@@ -6948,8 +6940,7 @@
       "dependencies": {
         "async": "^1.4.0",
         "optimist": "^0.6.1",
-        "source-map": "^0.4.4",
-        "uglify-js": "^2.6"
+        "source-map": "^0.4.4"
       },
       "bin": {
         "handlebars": "bin/handlebars"
@@ -7382,10 +7373,8 @@
       "dependencies": {
         "errno": "^0.1.1",
         "graceful-fs": "^4.1.2",
-        "image-size": "~0.5.0",
         "mime": "^1.2.11",
         "mkdirp": "^0.5.0",
-        "promise": "^7.1.1",
         "request": "2.81.0",
         "source-map": "^0.5.3"
       },
@@ -11091,12 +11080,8 @@
       "dependencies": {
         "asn1": "~0.2.3",
         "assert-plus": "^1.0.0",
-        "bcrypt-pbkdf": "^1.0.0",
         "dashdash": "^1.12.0",
-        "ecc-jsbn": "~0.1.1",
-        "getpass": "^0.1.1",
-        "jsbn": "~0.1.0",
-        "tweetnacl": "~0.14.0"
+        "getpass": "^0.1.1"
       },
       "engines": {
         "node": ">=0.10.0"
@@ -12299,7 +12284,6 @@
       "dev": true,
       "dependencies": {
         "source-map": "~0.5.1",
-        "uglify-to-browserify": "~1.0.0",
         "yargs": "~3.10.0"
       },
       "bin": {
@@ -12668,7 +12652,6 @@
       "dev": true,
       "dependencies": {
         "source-map": "~0.5.1",
-        "uglify-to-browserify": "~1.0.0",
         "yargs": "~3.10.0"
       },
       "bin": {
@@ -14447,9 +14430,9 @@
       }
     },
     "chownr": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.0.1.tgz",
-      "integrity": "sha1-4qdQQqlVGQi+vSW4Uj1fl2nXkYE=",
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+      "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==",
       "dev": true
     },
     "cipher-base": {