TODO:

coderework:
- new clean rendererarchitecture

features:
- option for 3 types of shadow (off, pixelshadow, alphablendingshadow)
- chatfuncion
- lobbysystem

bugs:
- glitsches in IMGUI if you redraw a whole site in the menu
- wrong servername in hosted game by blobbyclient
- graphicglitch if you start a networkgame
- wrong blobbycolors in networkgame

data:
- new smaller font
