Add appointments resource

User has many appointments
Add wait_for_ajax helper function to tests
Make progress on displaying appointments

- Grouped appointments by date
- Date and time formatting
- Cleaning up views
Add ajax to get edit form and to display edit update
Clean up JS, finish ajaxifying
save for power
Wrap everything in module, clean up ajax
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