Create initial models and migrations to reflect group plan.

Revision needed.
Model and migration files complete, but not fully tested yet;
Seed file in progress.
Merge pull request #1 from ShirajG/models_and_migrations

Models and migrations
Merge branch 'master' of https://github.com/ShirajG/Survey-Bonobo into view_controller.

Check model functionality
Fix Schema to not use user_choices. Naming a table with an underscore in it made AR crazy.
Merge pull request #2 from ShirajG/view_controller

View controller
Merge pull request #3 from ShirajG/create_survey

Fixed CSS
Fixed Radio Buttons to Accept One Answer
Fixed Ajax Calls

Made it so that pressing sign up or login after one was already clicked works better. Also fixed a bug that would allow for the login or signup form to be displayed without the blackout cover.