New upstream version 1.06

CHANGES

LablGlut/examples/etc/draw2d.ml

LablGlut/examples/etc/in-progress/scene_graph.ml

LablGlut/examples/glut3.7/demos/underwater/README

LablGlut/examples/glut3.7/demos/underwater/caust00.bw

LablGlut/examples/glut3.7/demos/underwater/caust01.bw

LablGlut/examples/glut3.7/demos/underwater/caust02.bw

LablGlut/examples/glut3.7/demos/underwater/caust03.bw

LablGlut/examples/glut3.7/demos/underwater/caust04.bw

LablGlut/examples/glut3.7/demos/underwater/caust05.bw

LablGlut/examples/glut3.7/demos/underwater/caust06.bw

LablGlut/examples/glut3.7/demos/underwater/caust07.bw

LablGlut/examples/glut3.7/demos/underwater/caust08.bw

LablGlut/examples/glut3.7/demos/underwater/caust09.bw

LablGlut/examples/glut3.7/demos/underwater/caust10.bw

LablGlut/examples/glut3.7/demos/underwater/caust11.bw

LablGlut/examples/glut3.7/demos/underwater/caust12.bw

LablGlut/examples/glut3.7/demos/underwater/caust13.bw

LablGlut/examples/glut3.7/demos/underwater/caust14.bw

LablGlut/examples/glut3.7/demos/underwater/caust15.bw