Update README - program description, compilation instructions, license.
Initial code, mostly the same thing as committed yesterday to Castle Game Engine examples (now moved to github).
TwoColorLevel fixes, make them actually working with Lazarus version.

Lazarus form spacing much improved: use sibling and borders and form.AutoSize to make everything perfectly positioned.
Demo image.
Nice window to show result.
Fix border cases.
Faster rect average color calculation. And move rect numbering -1.
Better demo images.