fix pullRequest conflict message style
correct message notification.issue.unassigned
refactoring: remove duplicated codes
- issue label search and project label search
mention-list: change mention list order

- show Author and Commenter first
mention-list: change mention list order

- show Author and Commenter first
mention-list: show mention list more smarter

- recent commenter first
fix: bug fix in mention order
mention-list: show mention list more & more smarter!
pullrequest: numbering

* use /sync/pullrequest/number to fix old datum
pullrequest: move to the commit view with number
pullreuqest: automatic triggering the numbering

* numbering is called by Global.onStart()
bugfix: using number
numbering: using max numbered pullrequest
Merge pull request #193 from whiteship/yobi refs/heads/pullrequest/number
Merge pull request #269 from kjkmadness/yobi refs/heads/refactoring/issue-search
fixed test error
notification: Fix NullPointerExceptions.

NullPointerException could be thrown if lastEvent.notificationType is
null or/and event.newValue is null.
notification: Merge events if available.
issue: Replace tabs with whitespaces.
fixed single quotation escape string of autolink syntax