Extended users API to support updating and deleting users.

Also added tests.
Don't setuid the repositories on installation
Don't setuid the repositories (Rake checks)
Fix gitlab:check recommendation

Running the recommendation would give out:
GNU find: paths must precede expression
Update config/database.yml.postgresql

This was necessary following the installation guide for ubuntu 10.4 with postgres
Fix rake task - Update method name
Merge remote-tracking branch 'github/master'
Fix issue #2790
Merge pull request #2801 from Takuto88/master

Fix #2790
keys to gitolite via sidekiq now
fix key observer tests
dont escape images inside links for gfm. Fixes #2701
Advanced logging for post-receive worker
satellites logs
set link to gitlab-ci
Fixed a grammar mistake in alert-message.block-message
refactor buttons pt1
refactor buttons pt2
few styling for buttons
Switchable the main branch on network graph