Fixed failing issues tests

Also removed up/down vote icons from merge requests. Was missed from d8069bd8

See merge request !2911

Removed up/down vote icons from merge requests. Was missed from d8069bd8

Pages docs



See merge request !202

Only show up or down votes icon on issue list if there are any

Closes #13649 

![Screen_Shot_2016-02-22_at_10.20.27](/uploads/21477426856dab9731bb110032025867/Screen_Shot_2016-02-22_at_10.20.27.png)

See merge request !2909

Closes #13649

Fixes pages domains abilities and group page address

The `master` can now access the pages configuration, modify domains and add certificates, but can't remove the pages.

The second bug that is fixed is the group page address. The group page project name needs to be in lowercase.

/cc @DouweM @rymai 

See merge request !195

Add Todos

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/2425

Tasks:

-  Prepare database
 - [X] Create a new table (`todos`)
- Tasks Queue view
 - [X] Add a number icon showing the number of todos on the top right next to the new and logout button that will redirect the user to the todos page
 - [X] Add a chronological list of todos, with the 'Todos' tab active by default
 - [X] Add a 'Done' button to each todo
 - [x] Add filters (project, author, type, and action)
- Todos generation
 - [X] When user issue/mr is assgined to someone
 - [x] When user is mentioned on (issues/mr's/comments)
- Mark todo as `done`
 - [X] When clicks on the 'Done' button
 - [X] When edit issue/mr
 - [X] When left/edit a comment
 - [X] When reassign issue/mr
 - [X] When add/remove labels to issue/mr
 - [X] When issue/mr is closed
 - [X] When mr is merged
 - [X] When added an emoji
 - [X] When changed the issue/mr milestone

* Screenshot:

![Screenshot_2016-02-20_12.45.57](/uploads/4b2554b1bde25aed3347e1ae41e8e0c0/Screenshot_2016-02-20_12.45.57.png)

See merge request !2817

[ci skip]

Fix bugs in MergeWhenSucceeded

1. This fixes support for merge when succeeded for statuses without ref.
2. This fixes support for merge when succeeded for multiple stages. Stages are created after all builds for previous one are finished.

Fixes: https://gitlab.com/gitlab-org/gitlab-ce/issues/9060 https://gitlab.com/gitlab-org/gitlab-ce/issues/8108 https://gitlab.com/gitlab-org/gitlab-ce/issues/12931 https://gitlab.com/gitlab-org/gitlab-ce/issues/13269

/cc @grzesiek @DouweM @rspeicher 


See merge request !2894

[ci skip]

No need to be executable since it is sourced in /etc/init.d/gitlab