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Add Atlassian Bamboo service

Close #717

This closes #717:

Add documentation changes to:

 * Set the permissions of the unix socket properly
 * Create the directory for the socket
 * Make sure tmpfiles.d persists said directory

The first change makes sure gitlabl can connect to the socket. The latter two avoid redis from failing to start on systemd-based systems, including recent versions of Debian.

You may probably want to cherry-pick this into the documentation for the latest stable release.

See merge request !224

minor requirements.md cleanup

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

* "Non Unix"->"Non-Unix"
* Fix poor wording

Transfer service spec cleanups

Simplify the current tests for Projects::TransferService

See merge request !208

Merge branch 'api-project-delete' of https://gitlab.com/mr-vinn/gitlab-ce into mr-vinn/gitlab-ce-api-project-delete
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Conflicts:
	spec/features/projects_spec.rb

Dashboard issues and merge request filters

Fixes #1597

See merge request !1219

Disable email option

Fixes #1569

See merge request !1222

Handle undefined text area values

support latest firefox esr release

Use button type=submit instead of input.

Factor abilities methods

Run user select Js only where needed

Change update recommendation

Only run profile js on pages that need it

Transform current implementation into regular Coffescript classes
so that the same call method can be reused on the dispatcher
as for other classes.

Show nothing instead of unassigned on issues

Only run namespace select js when needed

Use Gitlab.config instead of Settings everywhere

Better js -> URL projects map to reduce unneeded execution

Improvements for release documentation

See merge request !1203

Fix raw view snippets

See merge request !1220

7-4-stable to master.  With resolved conflicts

See merge request !1221

Conflicts:
	CHANGELOG
	VERSION