Design and implement data into Summary (wrap-up) view.

- Add properties to show text on view.
Add ability to RSVP to rehearsal on Attendance view.
Disable the First/Last Name textfields if not attending.
Finish design of the Attendees view (#12).

- Restructure the view for better responsive design.
- Add properties to contact controller.
- Update styling to make input controls nicer looking.
Add Success route after submitting the RSVP (#12).

- Add new Success route/template/controller.
- Hook up the route to the Wrap-Up route.
Show Guest List in wrap up only when necessary (#12).
Merge branch 'rsvp-client' of https://github.com/borwahs/natalieandrob.com into rsvp-client