update rails dependencies (emberjs#3517)

* trying to update the rails-html-sanitizer gem

* more gem updates

Gemfile

@@ -22,7 +22,8 @@ gem 'bootstrap-sass', '~> 3.3.7'
 gem 'sass-rails', '>= 3.2'
 gem 'middleman-bootstrap-navbar'
 gem 'eventmachine', '1.0.9.1'
-gem 'loofah', '2.2.1'
+gem 'loofah', ">= 2.2.2"
+gem 'rails-html-sanitizer', '>= 1.0.4'
 
 group :development, :test do
   gem 'pry'

Gemfile.lock

@@ -16,20 +16,20 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    actionpack (4.2.9)
-      actionview (= 4.2.9)
-      activesupport (= 4.2.9)
+    actionpack (4.2.10)
+      actionview (= 4.2.10)
+      activesupport (= 4.2.10)
       rack (~> 1.6)
       rack-test (~> 0.6.2)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (4.2.9)
-      activesupport (= 4.2.9)
+    actionview (4.2.10)
+      activesupport (= 4.2.10)
       builder (~> 3.1)
       erubis (~> 2.7.0)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activesupport (4.2.9)
+    activesupport (4.2.10)
       i18n (~> 0.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
@@ -74,7 +74,7 @@ GEM
       sass (>= 3.3.0, < 3.5)
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
-    crass (1.0.3)
+    crass (1.0.4)
     daemons (1.2.4)
     debugger-linecache (1.2.0)
     diff-lcs (1.2.5)
@@ -102,7 +102,7 @@ GEM
     listen (3.0.4)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
-    loofah (2.2.1)
+    loofah (2.2.2)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     method_source (0.8.2)
@@ -143,17 +143,17 @@ GEM
       sprockets-sass (~> 1.3.0)
     mime-types (2.6.2)
     mini_portile2 (2.3.0)
-    minitest (5.10.2)
-    multi_json (1.11.2)
+    minitest (5.11.3)
+    multi_json (1.13.1)
     multipart-post (2.0.0)
     neat (1.8.0)
       sass (>= 3.3)
       thor (~> 0.19)
-    nokogiri (1.8.2)
+    nokogiri (1.8.4)
       mini_portile2 (~> 2.3.0)
-    nokogiri (1.8.2-x64-mingw32)
+    nokogiri (1.8.4-x64-mingw32)
       mini_portile2 (~> 2.3.0)
-    nokogiri (1.8.2-x86-mingw32)
+    nokogiri (1.8.4-x86-mingw32)
       mini_portile2 (~> 2.3.0)
     padrino-helpers (0.12.5)
       i18n (~> 0.6, >= 0.6.7)
@@ -183,7 +183,7 @@ GEM
     pry-byebug (1.3.2)
       byebug (~> 2.7)
       pry (~> 0.9.12)
-    rack (1.6.8)
+    rack (1.6.10)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails-deprecated_sanitizer (1.0.3)
@@ -192,14 +192,14 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
-    railties (4.2.9)
-      actionpack (= 4.2.9)
-      activesupport (= 4.2.9)
+    rails-html-sanitizer (1.0.4)
+      loofah (~> 2.2, >= 2.2.2)
+    railties (4.2.10)
+      actionpack (= 4.2.10)
+      activesupport (= 4.2.10)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.0.0)
+    rake (12.3.1)
     rb-fsevent (0.9.6)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)
@@ -217,15 +217,15 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.4.0)
     rspec-support (3.4.0)
-    sass (3.4.19)
+    sass (3.4.25)
     sass-rails (5.0.7)
       railties (>= 4.0.0, < 6)
       sass (~> 3.1)
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
     slop (3.6.0)
-    sprockets (2.12.4)
+    sprockets (2.12.5)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
@@ -244,10 +244,10 @@ GEM
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
-    thor (0.19.1)
+    thor (0.20.0)
     thread_safe (0.3.6)
     tilt (1.4.1)
-    tzinfo (1.2.3)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     tzinfo-data (1.2017.3)
       tzinfo (>= 1.0.0)
@@ -284,7 +284,7 @@ DEPENDENCIES
   gmaps4rails
   highline
   listen
-  loofah (= 2.2.1)
+  loofah (>= 2.2.2)
   middleman (~> 3.0)
   middleman-alias!
   middleman-blog (~> 3.0)
@@ -294,6 +294,7 @@ DEPENDENCIES
   pry
   pry-byebug
   rack
+  rails-html-sanitizer (>= 1.0.4)
   rake
   redcarpet
   rspec