* upstream/master: (45 commits)
Replace reject_blocked with reject_blocked! in callbacks.
Fix Project#to_param to keep invalid project suitable for use in URLs
Update CHANGELOG
Add feature specs for edit project settings
Fix renaming repository when name contains invalid chars under settings
Change requests_profiles resource constraint to catch virtually any file
Allow skipping users in autocomplete
Fix typo in CHANGELOG
Update CHANGELOG
Respective cache is now expired when creating a new branch
Update CHANGELOG
Unify HTML format in static error pages
Make error pages responsive design
Move color-logic into HipchatService#HipchatService
Depened on exact version of SimpleCov when patched
Refactor spam validation to a concern that can be easily reused and improve legibility in `SpamCheckService`
Refactor `SpamCheckService` to make it cleaner and clearer.
Submit all issues on public projects to Akismet if enabled.
Submit new issues created via the WebUI by non project members to Akismet for spam check.
Upgrade Bullet from 5.0.0 to 5.2.0.
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