Tue Sep 02 00:58:58 2014  Jiri (George) Lebl <jirka@5z.com>

	* src/graphing.c: Add SurfacePlotDrawLine, SurfacePlotDrawPoints, and
	  SurfacePlotClear

	* help/C/genius.xml: Add documentation for the above functions

	* src/graphing.c: Add rotate animation