Sort guest list, display waiver on receipt

OpenHouseView - modified to list paypal entries at top until Attended.
Attended entries move to bottom of list to facilitate locating new
folks. Recomment deleting any non-paid entries at completion of event.
Non-attended / paid entries should remain as to be searchable later if
allowed to move to another event.

OpenHouseUserEdit - allows modification of 'Howd you hear?' field to
make modifications on site at event.

Referral Report contains name of participant and link to edit/view
entry.

Waiver at end of payment correctly reads text file and displays club
name.