DONE

1. User subscriptions settings tweak cr - https://codereview.appspot.com/13240047/

2. Update and refactor the interface of _get_data_diff_html cr - https://codereview.appspot.com/13239050/

MoinMoin: AnaBalica/GSOC-2013-Diary/2013-09-08 (last edited 2013-09-08 20:01:03 by AnaBalica)