* removed classes managed by CInstanceManager
except for CObject, CPyro, CBrain and CPhysics
because of dependencies
* refactored instance searching to use existing singleton instances of
CApplication, CEngine and CRobotMain and calling their getter
functions
- added stubs for functions in CLightning, CParticle and CPyro
- cleaned object.h and physics.h headers
- created temporary stubs to compile CCamera
- other necessary changes to compile successfully