A registrant should be able to add a transfer payment
update doc
Validate that the created payment matches the list of accepted types for the conference.
 - if it does not, then check and see if the user has update rights to the conference.
Merge remote-tracking branch 'origin/EVENT-113' into EVENT-118

Conflicts:
	src/test/java/org/cru/crs/api/PaymentResourceFunctionalTest.java
Add in check for checks as accepted payment type on conference
Add transfers to accepted payment types for new test to pass
When looking up identity, use the ID already in the loggedInUser
 - not totally sure why, but when looking up by name and type it wasn't finding a match and NPEing
Merge pull request #285 from CruGlobal/EVENT-118

Event 118