Wed Oct 02 17:35:09 2013  Jiri (George) Lebl <jirka@5z.com>

	* gtkextra/*: remove bunch of unused stuff to fix warnings.

	* src/graphing.c: Allow setting color in LinePlotDrawLine as a
	  3-vector of RGB values in the range of 0 to 1.

	* help/C/genius.xml: Document changes to LinePlotDrawLine and
	  rewrite part of that entry.

	* src/graphing.c: Allow zooming by selecting when we just do
	  LinePlotDrawLine and not a LinePlot first.