Add a socialize app

* including a vote model (for now)
Implement VoteManager
Integrate actually use VoteManager
Give a user a `vote_for_cookie` method
Trivial cookie detail view
Add vote URL
Activate cookie detail and vote urls
integrate vote button in cookie list
Add a view listing a user's votes and a view listing all votes on a cookie
Merge branch 'master' into feature/vote
Add Candy model
Cleanup VoteManager and VoteQueryset
Fixed #7 -- Implement dedicated functions for vote and unvote handling the candy distribution too
Revert base bootstrap gray colors
Add unvote view
Push vote state for current user to homeview
Fix AttributeError