Drawing code for space_view3d module.
It's still not cleaned, have to check on context usage still.
Also missing is editmodes, armatures, and probably more.
Known issue: splitting to 2nd window gives bad opengl lighting.
Picture for fun:
http://www.blender.org/bf/rt2.jpg
Current stat: brought back almost 10k lines! :)
d92b45d558
