Update to light (patch #8943) * gl-render.h, gl-render.cc (get_maxlights): New static function. (opengl_renderer::max_lights): New data member. (opengl_renderer::opengl_renderer): Use get_maxlights to initialize max_lights data member. (opengl_renderer::draw_all_lights): New function. Support local light sources. (opengl_renderer::draw_axes_children): Call draw_all_lights instead of doing the work here. (opengl_renderer::draw_surface): Remove warning for "phong". * scripts/plot/draw/light.m: Update docstring. Add and update demos. * doc/interpreter/genpropdoc.m: Update docstring.

--- a/doc/interpreter/genpropdoc.m	Thu Jul 28 16:38:37 2016 -0400
+++ b/doc/interpreter/genpropdoc.m	Sat Jul 23 17:45:32 2016 +0200
@@ -1305,8 +1305,7 @@
       case "style"
         s.doc = "This string defines whether the light emanates from a \
 light source at infinite distance (@qcode{\"infinite\"}) or from a local \
-point source (@qcode{\"local\"}). Only the default value @qcode{\"infinite\"} \
-is supported.";
+point source (@qcode{\"local\"}).";
 
     endswitch