updated fork feature to use gitlab-shell for v5 of gitlab
Assignees are now sorted alphabetically.
Diff with better colors and some spacing on the corners
GITLAB-342 - fixed broken gitlab version determinnation during backup

Change-Id: I35bda74adfa8009a11787047e5b9748634f8a474
fixed broken gitlab version determination during backup

If the backup directory is not sub the gitlab install directory,
then the git rev-parse call will fail.
Add monokai highlighting theme
New settings added to enable or disable project features by default

Conflicts:
	config/gitlab.yml.example
	config/initializers/1_settings.rb
Default values for project features added to create context
Reducing database access.
Allow vertical scrolling on Network graph
[BUGFIX] User suggest at team_members/new not working with relative_url_root

* Closing #3540
* Closing #3704
Render graph partially.
Fixed typo in project hook documentation
Fix minor bug about line overlap.
Add test related to a bug of network graph.
Fix Gitlab::Git::Repository#commit returns wrong commit, if commit_id is "tag name".
Merge giggsey:patch-1 into improve-performance-of-network-graph
Draging network graph is replaced by vertical scrolling.
Merge pull request #3741 from hiroponz/improve-performance-of-network-graph

Improve performance of network graph
Merge pull request #3731 from coldfrontlabs/master

Fix typo in Project API documentation for deleting hooks