- Friends circles histogram was added
- Friends circles balance was made
- Friends circles stop threshold was added to kernels
- Grid index function was changed to morton index
- Some cleanup with simulation.hpp
- "GridRes" parameter removed, now you set GridBufferSize and SmoothLen instead
- init_cells.cl split into reset_grid.cl and reset_part_list.cl
- mFriendsList hardcoded size issue fixed
- Friends histogram view now shows "average number of friends" per circle

Optimizations:
 - compute_delta gets the "scaling" parameter in the ".w" of the predictied parameter
 - build_friends_list.cl, compute_delta.cl and compute_scaling.cl math improved
cmake updated