add link on realisation api for java client
Add 'hooks' to path blacklist.
bind unicorn listener to 127.0.0.1

otherwise it will listen on 0.0.0.0
Fix GitLab Shell version check
Fix the `service gitlab restart` command

This commit addresses two related issues:
- Sidekiq should shut down completely before we restart it;
- If we restart unicorn with USR2 we need to kill the old master and
  worker processes.
People like Karen and myself are confused by the placeholder, it seems like you don't have to change the master value. Also the to and from should be more prominent.
Fixed 500 error when try to remove group
Merge branch 'master' of github.com:gitlabhq/gitlabhq
Update 20130419190306_allow_merges_for_forks.rb

Postgress db migrate fails.(5.4=>6.0)
Merge pull request #4860 from gitlabhq/fix_service_gitlab_restart

Fix the `service gitlab restart` command
Merge pull request #4879 from sugarmo/master

Select files with diff filter for graph log
Merge pull request #4854 from aus/patch-1

Fix GitLab Shell version check
Merge pull request #4845 from mmoll/unicorn_localhost

bind unicorn listener to 127.0.0.1
Merge pull request #4841 from Razer6/update_path_blacklist

Add 'hooks' to path blacklist.
Merge pull request #4815 from MegaDiablo/patch-1

add link on realisation api for java client
Adds feature: get a diff via API.
Link issues from comments and automatically close them

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Merge pull request #4507 from smashwilson/linking-issues

Linking objects from GFM references
Fix issue when developers are able to push to protected branch

When that branch contain a '/' in the branch name.
Fix for git over HTTP
Mars theme for generated admin account