Issue subscriptions implemented
Change issue priority to be nil instead of -1 if it's unprioritized.
Order issues by issues.status ASC, issues.priority ASC, issues.created_at DESC. ScrollTo created issue.
Implement issue_url and comment_url helper methods. Simplify issue/comment mailers.
Create commits/issues page
Increase visibility of issues
PR fixes
Merge pull request #100 from square/yunus/issue-improvements

Yunus/issue improvements