Don't use multiple star buffers for threads

Is more speedy, but can't resize during run because of concurrent use
Use WndInit struct to initialize window
Begin using opengl
Experiment with arrays
Hurray, stars are drawn with opengl
Take time between moves into account

So it will have equal speed in debug and release mode
Calculation is now a little bit quicker
Draw us the tiny puller position
Make the puller follow the mouse in the 3d world
Silence a warning and tweak some values
Merge branch 'opengl'