2007-01-17  Chris Wilson  <chris@chris-wilson.co.uk>

	Bug 395373 - Allow the user to specify backend priorities.

	* src/vtedraw.c: (_vte_draw_init_user), (_vte_draw_init_default),
	(_vte_draw_new):
		Scan $ENV{VTE_BACKEND} for the user's preferred backend
		and failover to the first working backend.
		Discard checking VTE_USE_*

	* src/vtedraw.h:
	* src/vteft2.c:
	* src/vteft2.h:
	* src/vtegl.c:
	* src/vtegl.h:
	* src/vtepango.c:
	* src/vtepango.h:
	* src/vtepangox.c:
	* src/vtepangox.h:
	* src/vteskel.c: (_vte_skel_check), (_vte_skel_create),
	(_vte_skel_destroy), (_vte_skel_start):
	* src/vteskel.h:
	* src/vtexft.c:
	* src/vtexft.h:
		Remove the environment variable field, drop the "Vte" prefix
		from the backend names and make the exported structure const.


svn path=/trunk/; revision=1447