Refactored AbaLookup module.

Still to-do:

- Refactor test classes.
- Remove TODO notes from comments and flesh out accordingly
- Update views

In progress:

- Merging profile and profile edit views (#99)
- Add ScheduleForm in place of 'hard-coded' form

Blockers:

- Issues #84, #82, #79, #65

In this commit:

- Moved authentication actions into their own controller
- Moved registration into AuthController
- Merging profile and profile edit views
Removed locations list.
Moved entity tests into Lookup module.