Add users migration and model
Adds migrations & models for surveys, questions, and choices
Merge branch 'master' of https://github.com/qsymmachus/team-spanish-inquisition into surveys-questions-choices-models
Merge pull request #6 from qsymmachus/users

Add Users
Merge pull request #7 from qsymmachus/surveys-questions-choices-models

Surveys questions choices models
Merge remote-tracking branch 'origin/master' into take_surveys
fixing migration and model bugs