Reinstate faye requirement in Gemfile (Fixes #163).

Gemfile

@@ -11,6 +11,7 @@ gem 'devise'
 
 # Server/transport gems
 gem 'thin'
+gem 'faye'
 
 # Helper gems
 gem 'kaminari'

Gemfile.lock

@@ -28,6 +28,7 @@ GEM
     activesupport (3.2.12)
       i18n (~> 0.6)
       multi_json (~> 1.0)
+    addressable (2.3.3)
     arel (3.0.2)
     awesome_print (1.1.0)
     aws-sdk (1.8.1.2)
@@ -58,6 +59,7 @@ GEM
       execjs
     coffee-script-source (1.4.0)
     columnize (0.3.6)
+    cookiejar (0.3.0)
     daemons (1.1.9)
     database_cleaner (0.9.1)
     debugger (1.3.3)
@@ -77,6 +79,14 @@ GEM
       eco-source
       execjs
     eco-source (1.1.0.rc.1)
+    em-http-request (1.0.3)
+      addressable (>= 2.2.3)
+      cookiejar
+      em-socksify
+      eventmachine (>= 1.0.0.beta.4)
+      http_parser.rb (>= 0.5.3)
+    em-socksify (0.2.1)
+      eventmachine (>= 1.0.0.beta.4)
     enumerize (0.5.1)
       activesupport (>= 3.2)
     erubis (2.7.0)
@@ -90,6 +100,15 @@ GEM
       railties (>= 3.0.0)
     faker (1.1.2)
       i18n (~> 0.5)
+    faye (0.8.9)
+      cookiejar (>= 0.3.0)
+      em-http-request (>= 0.3.0)
+      eventmachine (>= 0.12.0)
+      faye-websocket (>= 0.4.0)
+      rack (>= 1.0.0)
+      yajl-ruby (>= 1.0.0)
+    faye-websocket (0.4.7)
+      eventmachine (>= 0.12.0)
     ffi (1.3.1)
     guard (1.6.2)
       listen (>= 0.6.0)
@@ -101,6 +120,7 @@ GEM
       guard (>= 1.1)
       rspec (~> 2.11)
     hike (1.2.1)
+    http_parser.rb (0.5.3)
     i18n (0.6.2)
     jasmine (1.3.1)
       jasmine-core (~> 1.3.1)
@@ -232,6 +252,7 @@ GEM
     warden (1.2.1)
       rack (>= 1.0)
     websocket (1.0.7)
+    yajl-ruby (1.1.0)
 
 PLATFORMS
   ruby
@@ -252,6 +273,7 @@ DEPENDENCIES
   execjs
   factory_girl_rails
   faker
+  faye
   guard
   guard-rspec
   jasmine (~> 1.3.1)