Slack team name

Fixes a problem in slack team name with hyphens.

https://gitlab.com/gitlab-org/gitlab-ce/issues/701

See merge request !1204

Improve grack auth hooks comment.

fix permission issue in upgrade guide

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

Conflicts:
	CHANGELOG

Add Hipchat services API

Manual merge of https://github.com/gitlabhq/gitlabhq/pull/7633

See merge request !1202

Remove unused admin/projects#repository method

Add timezone configuration to gitlab.yml

Factor admin logs [failure unrelated]

Remove unused filter from ProjectsController

Already defined on the ApplicationController base class.

Remove unused dev_tools helper.

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

Conflicts:
	CHANGELOG

Factor authorize_push! and authorize_code_access!

Replace match with end_with: more readable, faster

Use @project on controllers, don't call method

Remove param[:project_id] at admin controller

Factor group forms

DRY mentioned in magic note constant

State on CONTRIBUTING that people should fix line style of touched lines

Export all coffee classes with @

Factor choose group avatar button

Factor group tips

Fix 500 error when filtering projects in admin interface

Fixes #1693

See merge request !1200

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

Fix group member remove

Fixes https://github.com/gitlabhq/gitlabhq/issues/8090.

See merge request !1196

Empty wiki backup check

We need to skip empty repositories when creating a backup. Before this
change, we were asking gollum-lib if the wiki contains any _pages_. Now
we ask gitlab_git if the repository contains _files_. This should
resolve gollum_lib Grit timeouts in the backup script.

See merge request !1195

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

Gitlab-shell identification

Part of gitlab/gitlabhq#1528

See merge request !1185

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