* 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
* all tests are now in /test/ subdirectory
* unit tests concatenated to one executable (TODO: ui, common)
* preparation for test environments (OpenGL and others)
* removed old TestCBot
erihel