Loadsa new compo nodes, most added in new menu "Mattes".
- Seperate into YCC
- Combine YCC
- Seperate into YUV
- Combine YUV
- (Chroma) Difference Matte
- Chroma Key
- Luminance Key
- Color Spill correction
Main problem is missing docs still... Bob is working on it, he'll also
make tooltips for all buttons.
Some UI things might change too, like more clear names.