Improve MR tabs UI/UX

![Screenshot 2014-06-04 12.29.19](https://dev.gitlab.org/uploads/dzaporozhets/gitlabhq/b75785b28f/Screenshot_2014-06-04_12.29.19.png)

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

Fix 500 on labels page

Broadcast 3 digit colors

Fixing typo in help for public access

Fixing a typo in the help page

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

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

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

Update patch release document

Upgrade to rails 4.1

Update docs to match new markdown style guide 2

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

project: ci_service should only catch ci services

Chrome app

ci_service should return true if a ci service is enabled.  Currently
it's checking for any service being enabled instead of only services in
the ci category.

Same origin header

Fixes #1313

Case insensetive search

Fixes #1258

cc @marc

Ui improvements

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

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

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

Remove artifact

This commit 07a9d44d caused letter a to be shown 72 times when the commit is being edited, removed that.

Ui improvements

This reverts commit 754b0838.

Sidekiq rendered via mounted sinatra app. We don't need to change
controller headers. It won't affect sidekiq at all. Please modify nginx
config instead for all gitlab app.

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

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

Ui improvements

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

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

Ui improvements