standardize special card names

Ticket

+status

+priority

+tag

standardize special card names+commit

+issues

Right now most special cards are *something. Would be nice to standardize the exceptions.

standardize special card names+solution

Move:

InvitationRequest to *invitation request
system setting+invitation email subject to *invitation request+email subject
system setting+invitation email body to *invitation request+email body
??

See implement initial setup for new Wagn and http://new.wagn.org/wagn/Config

these are all done now. (via duplicate tickets)

+discussed in support tickets