Change some function names to be longer and better.

Change some function names to be longer and better.

2006-05-31  Matthias Clasen  <mclasen@redhat.com>

	* gtk/gtkprintcontext.h:
	* gtk/gtkprintcontext.c:
	* gtk/gtkprintoperation.c:
	* gtk/gtkprintoperation-unix.c: Change some function names to be
	longer and better.
	gtk_print_context_get_cairo -> gtk_print_context_get_cairo_context
	gtk_print_context_get_fontmap -> gtk_print_context_get_pango_fontmap
	gtk_print_context_create_context -> gtk_print_context_create_pango_context
	gtk_print_context_create_layout -> gtk_print_context_create_pango_layout
	Update all callers.