ehnc Dedication subform in donation form

Styling was put together from existing form style. Haven't looked at it
extensively.

TODO:
- Ensure design element of separting subform works.
- We probably want to change the information consent radio field to
a checkbox like the rest.

![screen shot 2014-12-23 at 12 12 38 pm](https://cloud.githubusercontent.com/assets/1701077/5542813/041dddd6-8aa0-11e4-8f73-3397ebd81816.png)