Added ShadowComponent and ShadowSystem
Corrected Shadow-Texture path
delete unusable maps. Changed last compression formats to gzip. inserted floor property.
Merge branch 'master' of https://github.com/Lusito/GameDevWeek
carpet fix.
changed WallOfFurniture map another time.
Merge branch 'master' of https://github.com/Lusito/GameDevWeek into physik-master
cat can slide