Patch by Marek Kasik, icons by Mike Langlie:
        * gtk/gtk.symbols:
        * gtk/gtkprintbackend.h:
        * gtk/gtkprinter.[hc]: Add new paused and accepting-jobs properties
        and getters/setters.

        * gtk/gtkstock.h:
        * gtk/gtkiconfactory.c:
        * gtk/Makefile.am:
        * gtk/stock-icons/{16,24}/gtk-print-paused.{png,svg}: New icon.

        * modules/printbackends/cups/gtkprintbackendcups.c:
        * gtk/gtkprintunixdialog.c: Handle paused and job-rejecting
        printers.


svn path=/trunk/; revision=20838