Calls to gdk_gl_draw_cone() and gdk_gl_draw_sphere() were changed.

The newer gtkglext packages appears to have removed these routines.
I added them back into LGM with slightly different names so that its
more portable.
Merge branch 'master' of castiron:/n/projects/lanl/LanlGeoMag
INSTALL: added autotools install file to repo (inexplicably missing)