Shefki:
	- Fix flickering Portraits on some frames.
	The original fix that I'd made for the issue that happened after a scale
	or shape change was wrong.  The real problem was in our anchor code.  So
	I've reverted that change here.  That hack was ultimately causing the
	flashing since the effective scale code was triggering on some frames
	everytime.
	
	The real problem behind the scale/shape change was that the layout code
	assumed that GetHeight/Width returned the value passed to
	SetHeight/Width after a ClearAllPoints, which it does not if the
	previous anchors changed the size of the frame.  The fix for this is to
	set a temporary bogus anchor to allow access to these values.  I'm not
	100% thrilled with the solution to this, but I think the alternatives
	get even more ugly.  The layout code does run in combat, so I'll likely
	review this change again.
