Merge pull request #3 from vadhawal/master

small css fixes for the store page.
implementation of comments on wishes + generate and render proper feeds for the related actions
Merge branch 'master' of https://github.com/saumishr/apps

Changes for comments on wish and related actions
implementation of APIs/templatetags to show the user's wishes on profile page and deals on the store page + Updates for Broadcast Model to support timestamp and distinguish bw wish and deal