Iteration #2 -- Lots completed today.

**COMPLETED:**
- posting data to the thanks page in a viewable fashion
- massive improvements to the display of the amounts. given all the enhancements here, I don't think validation is required? Maybe do it just to be on the safe side for no JS.. bah, accessibility.. love/hate relationship...
- UI improvements all around.

**TODOs:**
- true validation on to/amount (does validation really need to happen on to?)
- finish the thanks page
- selected state for "what's this payment for?"
 - fix spinner graphic (shadow looks bad)

**POSSIBLE ENHANCEMENTS:**
- "to" field is required to be email only. improve by allowing phone number also
- randomize the value for setTimeout on form submission to make it seem a bit more realistic
- smoother transition between form and thank you page.. maybe just "post" to different panes, faking a "single page app"?