add 'Link' header for API response
Add button for removing source branch for merged MR's.
allow using the user's email address as a http parameter in gravatar urls for custom avatar systems. For example:
plain_url: "http://avatar.company.com/avatar/?mail=%{email}&size=%{size}"
Fix searching by extern_uid for LDAP to be case-insensitive
Fix another instance of "created at"

Replace it with "created on".

Change-Id: Ibd26bf82d2e64f142a4f3be6da7701e5b035602f
Fix extra space added in beginning of commit message

Removes extra space in merge commit messages. This seems to have been
introduced by the functionality added in 38d8d749d which allows a user
to change a merge commit message.
Add support for relative submodules
fixed regex to match url pointing to a user repo
simplify link url
Database doc changes to address #2412 and #6451.
Fixed Unicorn-Sidekiq confusion in GitLab init script.

There were a few places in the included init script where
Unicorn was referred to as Sidekiq and vice-versa.

This fixes #126.
Update 6.0-to-6.5.md

A lot of users get authentication errors after this upgrade. Reason being the change in 6.5 that secure cookies when using https. A link to this would be very handy for other upgraders!

https://github.com/gitlabhq/gitlab-public-wiki/wiki/Trouble-Shooting-Guide#cant-verify-csrf-token-authenticitycant-get-past-login-pageredirected-to-login-page
Add method to get the comments on a merge request

Add method to get the comments for a merge request and
document that you can change the status of a merge request.
Set monospace font-family for textarea.js-gfm-input
Prevent discussion about is it a bug or a feature request.
Remove author_id_of_changes from app

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Remove author_id_of_changes from spec

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Collect all event creation logic in one place called EventCreateService

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

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Drop activity observer. User EventCreateService instead

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