Add appointments resource

User has many appointments
Add wait_for_ajax helper function to tests
Add user signup functionality
Add pry gem
Make progress on displaying appointments

- Grouped appointments by date
- Date and time formatting
- Cleaning up views
Add bcrypt for password encryption
Add ajax to get edit form and to display edit update
Add validations for user model
Clean up JS, finish ajaxifying
Add repopulation of fields on signup errors
save for power
Wrap everything in module, clean up ajax
Adding routes and controller methods for login
Tests for appointments

Just the controller at this point
Remove debugger from js file
Merge pull request #4 from sea-lions-2014/es-appointments

Appointment module, base functionality
Fix login integration test
Change Signin to Login
Add navigation styling

Main nav and side nav
No Boot
Finish intial page header layout styles