add 'Link' header for API response
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
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>
Use EventCreateService for notes, merge requests

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Remove activity observer specs

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

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

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Removed the backgrounding of the unicorn_rails webapp start call.
At mention participating users.