The scheduler now returns the address that was used to connect to

The scheduler now returns the address that was used to connect to
it (STR #1076)

scheduler/client.c:
    - AcceptClient(): Set servername and serverport.

scheduler/client.h:
    - Add servername and serverport to client_t.

scheduler/conf.c:
    - read_configuration(): Fix reporting of domain socket listen.

scheduler/ipp.c:
    - get_default(), get_printer_attrs(), get_printers(): Use
      servername and  serverport to create dynamic printer URI.

scheduler/printers.c:
    - SetPrinterAttrs(): only set printer-uri-supported for
      remote printers.

git-svn-id: svn+ssh://src.apple.com/svn/cups/cups.org/trunk@4674 7a7537e8-13f0-0310-91df-b6672ffda945