Attempting to fix fontawesome issue

Gemfile.lock

@@ -5,6 +5,17 @@ GIT
   specs:
     database_cleaner (0.9.1)
 
+GIT
+  remote: git://github.com/diowa/twitter-bootstrap-rails.git
+  revision: 9f1a1cbfed8b2e79d75d0e5d58b4ce9588e389ae
+  branch: rails4-assets
+  specs:
+    twitter-bootstrap-rails (2.2.6)
+      actionpack (>= 3.1)
+      execjs
+      rails (>= 3.1)
+      railties (>= 3.1)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -34,7 +45,7 @@ GEM
       tzinfo (~> 0.3.37)
     addressable (2.3.4)
     arel (4.0.0)
-    atomic (1.1.8)
+    atomic (1.1.9)
     better_errors (0.8.0)
       coderay (>= 1.0.0)
       erubis (>= 2.6.6)
@@ -43,6 +54,7 @@ GEM
     builder (3.1.4)
     bullet (4.6.0)
       uniform_notifier
+    callsite (0.0.11)
     capybara (2.1.0)
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
@@ -129,14 +141,15 @@ GEM
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
-    meta_request (0.2.3)
+    meta_request (0.2.4)
+      callsite
       rack-contrib
       railties
     method_source (0.8.1)
     mime-types (1.23)
     minitest (4.7.4)
     mono_logger (1.0.1)
-    multi_json (1.7.2)
+    multi_json (1.7.3)
     nokogiri (1.5.9)
     pg (0.15.1)
     polyglot (0.3.3)
@@ -169,7 +182,7 @@ GEM
     raindrops (0.11.0)
     rake (10.0.4)
     redis (3.0.4)
-    redis-namespace (1.2.1)
+    redis-namespace (1.3.0)
       redis (~> 3.0.0)
     ref (1.0.4)
     resque (1.24.1)
@@ -242,10 +255,6 @@ GEM
       polyglot (>= 0.3.1)
     turbolinks (1.1.1)
       coffee-rails
-    twitter-bootstrap-rails (2.2.6)
-      actionpack (>= 3.1)
-      execjs
-      railties (>= 3.1)
     tzinfo (0.3.37)
     uglifier (2.0.1)
       execjs (>= 0.3.0)
@@ -306,7 +315,7 @@ DEPENDENCIES
   therubyracer
   thin
   turbolinks
-  twitter-bootstrap-rails
+  twitter-bootstrap-rails!
   uglifier (>= 1.3.0)
   unicorn
   webmock