Bootstrap-sass 3 gem

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Gemfile

@@ -151,7 +151,7 @@ gem "jquery-rails",     "2.1.3"
 gem "jquery-ui-rails",  "2.0.2"
 gem "modernizr",        "2.6.2"
 gem "raphael-rails", "~> 2.1.2"
-gem 'bootstrap-sass', '~> 2.3'
+gem 'bootstrap-sass', '~> 3.0'
 gem "font-awesome-rails", '~> 3.2'
 gem "gemoji", "~> 1.3.0"
 gem "gon", git: "https://github.com/gitlabhq/gon.git", ref: '58ca8e17273051cb370182cabd3602d1da6783ab'

Gemfile.lock

@@ -64,7 +64,7 @@ GEM
       erubis (>= 2.6.6)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
-    bootstrap-sass (2.3.2.2)
+    bootstrap-sass (3.0.3.0)
       sass (~> 3.2)
     builder (3.1.4)
     capybara (2.1.0)
@@ -575,7 +575,7 @@ DEPENDENCIES
   awesome_print
   better_errors
   binding_of_caller
-  bootstrap-sass (~> 2.3)
+  bootstrap-sass (~> 3.0)
   capybara
   carrierwave
   chosen-rails (= 1.0.1)