* citadel.rc: changed the default for local_screen_dimensions to 1, since

* citadel.rc: changed the default for local_screen_dimensions to 1, since
  Internet users now outnumber dialup users 100 to 0.
* room_ops.c: added a really_create option to create_room().  Also moved the
  generation of personal namespace into that function.  MODULE OWNERS PLEASE
  CHECK YOUR CALLS TO AVOID MULTIPLE NAMESPACING!!
* room_ops.c: fixed a bug in cgetfloor() that left bad pointers around
* serv_imap.c: finished the CREATE command (finally)