Fix wiki backup skip bug

This fixes a bug where wiki repositories for projects with an empty main
repository would not get backed up.

Mixin cleanup

* Remove old mixins
* add issue box shadow
* change color for network graph box

Provide fallback for missing `name` value.

Remove markdown syntax from notification emails

Merge request notifications once again gained markdown syntax 😄 In my opinion, markdown should not be present in emails because it is not rendered - it looks funny. I fixed this once before in 57ad81a9 and it was recently changed back to use the markdown style.

submit notes forms by pressing ctrl+enter

Add support for side-by-side inline comments

Add fix for API when branch names have periods in them.  Relates to issu...

Added Laravel API Wrapper

Fix a minor typo in the README

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>

Rails 4.0.5

Fix tar version string encoding bug

Fixes a bug with non-UTF8 locales introduced by
2b816075.

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

2 step merge request process

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

Convert MySQL backup to Postgres

Update gitlab grit version

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

Reverse the conditional order to avoid awkward `if !` construction.

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

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

Add assignee/milestone block to merge request edit page. And remove branches selector from this 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>

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

Add fix for API when branch names have periods in them.  Relates to issue #6128 (https://github.com/gitlabhq/gitlabhq/issues/6128).

Don't use `unless` for the conditional.
Avoid double-quotes where possible.