check if an entity has been deactivated already before deactivating
Merge pull request #17 from chozabu/fixdelete

check if an entity has been deactivated already before deactivating
first commit of new camera system
ported zoom camera changes
Merge pull request #25 from chozabu/new_camera

ported zoom camera changes
small cleanup in particle code, work on camera scale
merge new camera with new rendering