beginning work on donation form via API
updated version, added new callback action for donation processing
added fetch single opportunity callback, similar to one for campaigns
actual donation processing action and form tag handler. accepts similar params as opp form handler
fixed return values
updated readme with version info - will added donation form docs when complete
check email validity
Tweak to hook
Merge branch 'feature/donate-form' of github.com:Minds-On-Design-Lab/modl_giving_impact.ee_addon into feature/donate-form
added check for while dollar amounts
Merge branch 'feature/donate-form' of github.com:Minds-On-Design-Lab/modl_giving_impact.ee_addon into feature/donate-form
added support for a single donation method
Merge remote-tracking branch 'origin/master' into feature/donate-form

Conflicts:
	modl_giving_impact/upd.modl_giving_impact.php
Fix type on campaign form approach
Moves public API key into module setting.
updated readme
fixed version
first pass at support for donation js
removed private key method, updated docblocks
commented out jquery payments code
on second thought, removed payments completely