Monthly release doc revision

/cc @sytse @jacobvosmaer @marin @dzaporozhets @marc

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

Expose project visibility in system service hooks

Our gitlab installation is currently setup with a system hook to ping our hubot. Currently whenever a project is created, hubot announces this, regardless of project visibility. It didn't really make sense for everyone to see this, and as the project visibility wasn't exposed in the JSON hook output, I thought I'd add it in!

As far as I'm aware, tests still run and pass OK. I'm not exactly rails savvy though, so any pointers/fixes/etc, please let me know!

Fix css rules conflict between .dark & a.dark classes

Link to installation doc

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

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>