update bootstrap to 2.2.1.1

Gemfile

@@ -106,7 +106,7 @@ group :assets do
   gem "jquery-ui-rails",  "2.0.2"
   gem "modernizr",        "2.6.2"
   gem "raphael-rails",    "2.1.0"
-  gem 'bootstrap-sass',   "2.0.4"
+  gem 'bootstrap-sass',   "2.2.1.1"
   gem "font-awesome-sass-rails", "~> 2.0.0"
   gem "gemoji", "~> 1.2.1", require: 'emoji/railtie'
 end

Gemfile.lock

@@ -97,7 +97,8 @@ GEM
     backports (2.6.5)
     bcrypt-ruby (3.0.1)
     blankslate (3.1.2)
-    bootstrap-sass (2.0.4.0)
+    bootstrap-sass (2.2.1.1)
+      sass (~> 3.2)
     builder (3.0.4)
     capybara (1.1.3)
       mime-types (>= 1.16)
@@ -446,7 +447,7 @@ DEPENDENCIES
   acts-as-taggable-on (= 2.3.3)
   annotate!
   awesome_print
-  bootstrap-sass (= 2.0.4)
+  bootstrap-sass (= 2.2.1.1)
   capybara
   carrierwave (~> 0.7.1)
   chosen-rails (= 0.9.8)

app/assets/stylesheets/gitlab_bootstrap/typography.scss

@@ -2,6 +2,9 @@
  * Headers
  *
  */
+
+body { font-size: 13px; }
+h1, h2, h3, h4, h5, h6 { margin:0 }
 h3, h4, h5, h6 { line-height: 36px; }
 h5 { font-size:14px; }
 h3.page_title {