diff --git a/Gemfile.lock b/Gemfile.lock
index 23e21a9..ee70f3e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,34 +10,42 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.1.16)
-      actionpack (= 4.1.16)
-      actionview (= 4.1.16)
+    actionmailer (4.2.11.3)
+      actionpack (= 4.2.11.3)
+      actionview (= 4.2.11.3)
+      activejob (= 4.2.11.3)
       mail (~> 2.5, >= 2.5.4)
-    actionpack (4.1.16)
-      actionview (= 4.1.16)
-      activesupport (= 4.1.16)
-      rack (~> 1.5.2)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+    actionpack (4.2.11.3)
+      actionview (= 4.2.11.3)
+      activesupport (= 4.2.11.3)
+      rack (~> 1.6)
       rack-test (~> 0.6.2)
-    actionview (4.1.16)
-      activesupport (= 4.1.16)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (4.2.11.3)
+      activesupport (= 4.2.11.3)
       builder (~> 3.1)
       erubis (~> 2.7.0)
-    activemodel (4.1.16)
-      activesupport (= 4.1.16)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+    activejob (4.2.11.3)
+      activesupport (= 4.2.11.3)
+      globalid (>= 0.3.0)
+    activemodel (4.2.11.3)
+      activesupport (= 4.2.11.3)
       builder (~> 3.1)
-    activerecord (4.1.16)
-      activemodel (= 4.1.16)
-      activesupport (= 4.1.16)
-      arel (~> 5.0.0)
-    activesupport (4.1.16)
-      i18n (~> 0.6, >= 0.6.9)
-      json (~> 1.7, >= 1.7.7)
+    activerecord (4.2.11.3)
+      activemodel (= 4.2.11.3)
+      activesupport (= 4.2.11.3)
+      arel (~> 6.0)
+    activesupport (4.2.11.3)
+      i18n (~> 0.7)
       minitest (~> 5.1)
-      thread_safe (~> 0.1)
+      thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    arel (5.0.1.20140414130214)
-    builder (3.2.3)
+    arel (6.0.4)
+    builder (3.2.4)
     capybara (2.4.1)
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
@@ -53,40 +61,54 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.8)
+    crass (1.0.6)
     erubis (2.7.0)
     execjs (2.7.0)
     ffi (1.11.1)
+    globalid (0.4.2)
+      activesupport (>= 4.2.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    json (1.8.6)
+    loofah (2.9.1)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.5.9)
     mail (2.7.1)
       mini_mime (>= 0.1.1)
     mime-types (1.25.1)
-    mini_mime (1.0.2)
+    mini_mime (1.1.0)
     mini_portile (0.6.0)
     minitest (5.4.0)
     nokogiri (1.6.3.1)
       mini_portile (= 0.6.0)
-    rack (1.5.2)
-    rack-test (0.6.2)
+    rack (1.6.13)
+    rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.1.16)
-      actionmailer (= 4.1.16)
-      actionpack (= 4.1.16)
-      actionview (= 4.1.16)
-      activemodel (= 4.1.16)
-      activerecord (= 4.1.16)
-      activesupport (= 4.1.16)
+    rails (4.2.11.3)
+      actionmailer (= 4.2.11.3)
+      actionpack (= 4.2.11.3)
+      actionview (= 4.2.11.3)
+      activejob (= 4.2.11.3)
+      activemodel (= 4.2.11.3)
+      activerecord (= 4.2.11.3)
+      activesupport (= 4.2.11.3)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.1.16)
-      sprockets-rails (~> 2.0)
-    railties (4.1.16)
-      actionpack (= 4.1.16)
-      activesupport (= 4.1.16)
+      railties (= 4.2.11.3)
+      sprockets-rails
+    rails-deprecated_sanitizer (1.0.4)
+      activesupport (>= 4.2.0.alpha)
+    rails-dom-testing (1.0.9)
+      activesupport (>= 4.2.0, < 5.0)
+      nokogiri (~> 1.6)
+      rails-deprecated_sanitizer (>= 1.0.1)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    railties (4.2.11.3)
+      actionpack (= 4.2.11.3)
+      activesupport (= 4.2.11.3)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.3.2)
+    rake (13.0.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
@@ -95,17 +117,17 @@ GEM
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sprockets (3.7.2)
+    sprockets (4.0.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (2.3.3)
-      actionpack (>= 3.0)
-      activesupport (>= 3.0)
-      sprockets (>= 2.8, < 4.0)
+    sprockets-rails (3.2.2)
+      actionpack (>= 4.0)
+      activesupport (>= 4.0)
+      sprockets (>= 3.0.0)
     sqlite3 (1.3.9)
-    thor (0.20.3)
+    thor (1.1.0)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     xpath (2.0.0)
       nokogiri (~> 1.3)