Add jquey ui to the project.
Add UI to pick event date.
Change previous_event to previous_event_with_eventbrite_event_id
User attr_writer for event service in event.
Fix failing tests.
Don't try to schedule event if previous event is blank.
Schedule event after creating it in the controller.
Show eventbrite event id field on persisted records.
Basic styles.

Totally ripped off @nrrrdcore css and fonts from boxen to get this
bootstrapped quickly.