Fix link to owner of group and team in admin interface
Merge pull request #3017 from jojosch/owner-link-admin

Fix link to owner of group and team in admin interface
use attachment secure_url for Attachemnt page
Prevent xss attack over group name. Added regex validation for group and team name
State machine gem added
State renamed to merge_status
Issuable consern uses StateMachine now
Merge Request uses StateMachine now
Merge Request uses StateMachine now
Milestone uses StateMachine now
Issue uses StateMachine now
Migrations for StateMachine refactoring added
Additional tests added to Milestone
Additional tests added to Issue
Spinach tests fixed