* BufferView.C:

	* BufferView.C:
	* BufferView.h:
	* lyxfunc.C:
	* factory.C:
	* mathed/InsetMathNest.C:
	* mathed/InsetMathHull.C:
	* lyx_cb.C:
	* frontends/WorkArea.C: remove BufferView::getLyXText() methods, because their
	names were absolutely misleading; resolve indirection where needed

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@17016 a592a061-630c-0410-9148-cb99ea01b6c8