Improving holds.

Improving holds.
* Hold status was all mixed up; it now properly says "Waiting for copy"
  instead of "Transit".  Hold status now indicates both #holds #copies and
  position in queue (user requested).
* Removed email checkbox and phone number checkbox from hold updates.  At
  least at my library web site you can't update phone/email preferences
  by editing holds.  hold_request.phone_notify is a text not boolean.