Moved camera calculations into camera.

Now we calculate the eye, up vector and center in the setDefaultMode
method in the camera class.
Merge branch 'master' of https://github.com/Muizers/2iv60-robotrace
Made basic helicopter mode.
Started working on MotorCycle mode.
Added FirstPerson mode for camera.
Merge branch 'master' of https://github.com/kokx/2iv60-robotrace