Adding pull controller and view
Added commits and diff to pull request view
Merge pull request #64 from dtornow/feature/pull-requests

Feature/pull requests
Can now see files of pull request and only vote on latest commit
Merge branch 'master' into feature/pull-requests
Merge pull request #65 from dtornow/feature/pull-requests

Feature/pull requests
add: install dependencies via bower
add: status
improve approval
merge pull-requests, approval
Merge branch 'master' into feature/approval