Fix answer not being attached to user.
Merge pull request #26 from vivekmgeorge/master

merging my updates
Merge branch 'master' of https://github.com/red-spotted-newts-2014/stacksonstacks
Merge pull request #27 from user1011/master

Fix user_id in answer controller
Merging michaels updates
Merge branch 'master' of https://github.com/red-spotted-newts-2014/stacksonstacks