* fix filter save by handling it is the first one
* round to minute by getting since date formatted
* fix bug when displaying commit if no avatar exist
* refactor commit view
* move fetch methods form controller to route state resolve section
* add dummy services to have access to modules because state provider does inject services only
* add avatar directive
* add link to github page of committer
* refactor
* add committer github url to commit object
* replace ing tag with new avatar tag
* add octocat as place holder for avatar images if no avatar is available
* code formatting
* use ng-src instead of src for images
* add Comment module to handle all comment related actions
* add Comment to app
* add Comment to main require path config
* add comment directive
* replace comment html in commit view with comment directive
* add comment templates
* add require text to main require path config
* add double click handler to add a comment
* add position in file and path to each chunk line
* use new Comment module to describe a comment and store
* extend CommitController to support editing ,adding and removing comments