Added existing files
Changes in Vector and Particle
Fixed ReadParticleFile bug
Fixed NaN bug
Fixed memory leak in ApplyGravitation(); Timer for rough time measurement
Added CalcPrefactorsC()
Fixed memory leak in ApplyGravitation(); Timer for rough time measurement
Fixed mallocNL(); Added AccessNL(); Needs testing  urgently
Renamed NL memory routines; NL memory seems to work
Several minor changes in NL mem; MallocNL still not working if block size does not divide allocation amount unequally
Found bug in MallocNL(), still not working in 2nd case
Implemented 2D transformation routines
Implemented Vector2Flip() and Vector3Flip()
Implemented KineticEnergy()