update to heroku version

Gemfile

@@ -1,7 +1,6 @@
 source 'https://rubygems.org'
-ruby "2.2.2"
 
-gem 'rails', '4.2.5.1'
+gem 'rails', '~> 4.2.10'
 gem 'thin'
 gem 'faye'
 gem 'rest-client'

Gemfile.lock

@@ -1,38 +1,37 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.2.5.1)
-      actionpack (= 4.2.5.1)
-      actionview (= 4.2.5.1)
-      activejob (= 4.2.5.1)
+    actionmailer (4.2.11)
+      actionpack (= 4.2.11)
+      actionview (= 4.2.11)
+      activejob (= 4.2.11)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 1.0, >= 1.0.5)
-    actionpack (4.2.5.1)
-      actionview (= 4.2.5.1)
-      activesupport (= 4.2.5.1)
+    actionpack (4.2.11)
+      actionview (= 4.2.11)
+      activesupport (= 4.2.11)
       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 (4.2.5.1)
-      activesupport (= 4.2.5.1)
+    actionview (4.2.11)
+      activesupport (= 4.2.11)
       builder (~> 3.1)
       erubis (~> 2.7.0)
       rails-dom-testing (~> 1.0, >= 1.0.5)
-      rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    activejob (4.2.5.1)
-      activesupport (= 4.2.5.1)
+      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+    activejob (4.2.11)
+      activesupport (= 4.2.11)
       globalid (>= 0.3.0)
-    activemodel (4.2.5.1)
-      activesupport (= 4.2.5.1)
+    activemodel (4.2.11)
+      activesupport (= 4.2.11)
       builder (~> 3.1)
-    activerecord (4.2.5.1)
-      activemodel (= 4.2.5.1)
-      activesupport (= 4.2.5.1)
+    activerecord (4.2.11)
+      activemodel (= 4.2.11)
+      activesupport (= 4.2.11)
       arel (~> 6.0)
-    activesupport (4.2.5.1)
+    activesupport (4.2.11)
       i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
@@ -217,7 +216,7 @@ GEM
     multipart-post (2.0.0)
     netrc (0.11.0)
     newrelic_rpm (6.0.0.351)
-    nokogiri (1.9.1)
+    nokogiri (1.10.1)
       mini_portile2 (~> 2.4.0)
     nokogiri-happymapper (0.6.0)
       nokogiri (~> 1.5)
@@ -236,16 +235,16 @@ GEM
     rack_session_access (0.2.0)
       builder (>= 2.0.0)
       rack (>= 1.0.0)
-    rails (4.2.5.1)
-      actionmailer (= 4.2.5.1)
-      actionpack (= 4.2.5.1)
-      actionview (= 4.2.5.1)
-      activejob (= 4.2.5.1)
-      activemodel (= 4.2.5.1)
-      activerecord (= 4.2.5.1)
-      activesupport (= 4.2.5.1)
+    rails (4.2.11)
+      actionmailer (= 4.2.11)
+      actionpack (= 4.2.11)
+      actionview (= 4.2.11)
+      activejob (= 4.2.11)
+      activemodel (= 4.2.11)
+      activerecord (= 4.2.11)
+      activesupport (= 4.2.11)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.5.1)
+      railties (= 4.2.11)
       sprockets-rails
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
@@ -260,9 +259,9 @@ GEM
       rails_stdout_logging
     rails_serve_static_assets (0.0.5)
     rails_stdout_logging (0.0.5)
-    railties (4.2.5.1)
-      actionpack (= 4.2.5.1)
-      activesupport (= 4.2.5.1)
+    railties (4.2.11)
+      actionpack (= 4.2.11)
+      activesupport (= 4.2.11)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rake (12.3.2)
@@ -411,7 +410,7 @@ DEPENDENCIES
   pg (~> 0.21)
   pivotal-tracker
   rack_session_access
-  rails (= 4.2.5.1)
+  rails (~> 4.2.10)
   rails_12factor
   responders (~> 2.0)
   rest-client
@@ -430,8 +429,5 @@ DEPENDENCIES
   yui-compressor
   zeus
 
-RUBY VERSION
-   ruby 2.2.2p95
-
 BUNDLED WITH
-   1.16.6
+   1.17.3