Add clarity to Donation Type setting description and remove unneeded setting
Show Anonymous if no user found in Donations page. Update header
Update currency handling - Resolves #18

- Change to currentcy select instead of txt field using Drupal Commerce
currency API's
Allow for no end date on recurring donations - Resolves#20
Move location of payment selector to more user friendly location - Resolves #21

- Update currency display handling
Change Contact Address handling - Resolves #19

- Miscellaneous code cleanup
- Field selection handling refactoring