* Network::Commit
** Removing unnecessary accessors.
** Removing add_refs methods.
* Network::Graph
** Removing unnecessary accessors.
** The 3 times loop of commits don't need.

* Module: Graph -> Network
* Class: JsonBuilder -> Graph

Because model shouldn't know about view logic.

Use secure protocol

Added methods to manage project deploy keys via API

Added methods to manage system hooks from API

Update README with references to versions.

Fix routing error

It should fix #2598.

It is linked to #2598.

default gitlab.relative_url_root to ENV['RAILS_RELATIVE_URL_ROOT']

Update doc/install/databases.md

Merge branch 'omniauth_no_email_1' of https://github.com/gliptak/gitlabhq into gliptak-omniauth_no_email_1

Conflicts:
	app/observers/user_observer.rb
	spec/observers/user_observer_spec.rb

fix: grouping commits by date desc doesn't sort the groups too

Fix image url for emoji.

State machine 3