Added database cleaning before each test

Stubbed User.save in the UserController spec to keep it from actually
saving in the database.
Merge branch 'mock'
Merge pull request #9 from erahm/mock

Added database cleaning before each test
Merge branch 'master' of https://github.com/erahm/fatbard
commit for cherrypick
Revert "commit for cherrypick"

This reverts commit 66184d41bcac9a3d5452e9669b910b664777cdda.
Merge branch 'master' of github.com:erahm/fatbard