Use original raphael-rails v2.1.2

Gemfile

@@ -134,7 +134,7 @@ group :assets do
   gem "jquery-rails",     "2.1.3"
   gem "jquery-ui-rails",  "2.0.2"
   gem "modernizr",        "2.6.2"
-  gem "raphael-rails",    git: "https://github.com/gitlabhq/raphael-rails.git"
+  gem "raphael-rails", "~> 2.1.2"
   gem 'bootstrap-sass'
   gem "font-awesome-rails"
   gem "gemoji", "~> 1.2.1", require: 'emoji/railtie'

Gemfile.lock

@@ -6,12 +6,6 @@ GIT
       activerecord (>= 2.3.0)
       rake (>= 0.8.7)
 
-GIT
-  remote: https://github.com/gitlabhq/raphael-rails.git
-  revision: cb2c92a040b9b941a5f1aa1ea866cc26e944fe58
-  specs:
-    raphael-rails (2.1.0)
-
 GEM
   remote: https://rubygems.org/
   specs:
@@ -380,6 +374,7 @@ GEM
       thor (>= 0.14.6, < 2.0)
     raindrops (0.11.0)
     rake (10.1.0)
+    raphael-rails (2.1.2)
     rb-fsevent (0.9.3)
     rb-inotify (0.9.0)
       ffi (>= 0.5.0)
@@ -611,7 +606,7 @@ DEPENDENCIES
   rails (= 3.2.13)
   rails-dev-tweaks
   rails_best_practices
-  raphael-rails!
+  raphael-rails (~> 2.1.2)
   rb-fsevent
   rb-inotify
   redcarpet (~> 2.2.2)