iChange `name` and `path` to `name_with_namespace` and `path_with_namespace` in `RunnerProjectDetails`

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- add feature to list runners
- add feature to show runners details
- add feature to delete runner
- add feature to update runner

Update web editor documentation

Based on https://gitlab.com/gitlab-com/www-gitlab-com/merge_requests/1045

Closes #4262

See merge request !2776

Project limit is reached warning is hidden when the projects_limit is zero

Fixes #12791

See merge request !2890

Fixes #12791

Update Gemojione for new hotness ✨

Before | After
------ | -----
![Screen_Shot_2016-02-12_at_3.38.43_PM](/uploads/299e5ffe38c91657085741261a678f81/Screen_Shot_2016-02-12_at_3.38.43_PM.png) | ![Screen_Shot_2016-02-12_at_3.38.09_PM](/uploads/ccee29719a6445a9efd2498391a7eea0/Screen_Shot_2016-02-12_at_3.38.09_PM.png)

See merge request !2800

workaround for forks with an invalid repo

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/13465

The error occurs when a project returns a `nil` commit for a variety of reasons, I assume the repository is corrupt - perhaps as a result of a failed fork. 

With this MR, we do not show forks with corrupted repos in the list of forks, as this does not seem to work anyway. A better solution is to fix the cause of the issue and/or any data integrity problem...

Also fixing Sentry issue: 1180
`undefined method 'already_forked?' for nil:NilClass `


See merge request !2836

Allow `ProjectTeam#human_max_access` to return "Owner"



See merge request !2881

number_with_delimiter() added

See merge request !2886

Bug found by Charles Sibbald at Sky.

Calls with patricio and Jacob confirmed this.

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See merge request !2877

No changes to nginx config in this update. Removed unnecessary instructions.

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See merge request !2879

Revert "Merge branch 'saml-decoupling' into 'master'"

This reverts commit c04e22fb, reversing
changes made to 0feab326.

Revert https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/2782

See merge request !2878