Move open and closed issues to pull controller
Move sidebar logic into pull controller
Use issues for highlighting code lines
Cleanup
Add semicolon
Merge branch 'master' into feature/issueref

Conflicts:
	src/client/controller/sidebar.js
	src/client/templates/pull/sidebar.html
Merge pull request #520 from reviewninja/feature/issueref

Feature/issueref
Merge remote-tracking branch 'origin/master' into feature/issueheading