Updated glfw
Merge branch 'master' of https://github.com/emiax/pink-fluid
Do not clutter stderr
Added benchmark script
Added multithreading via OpenMP, does not work on clang. However, GCC does support it.
Moved backtrack functions to util, added RK3 version
Compile error due to last commit
Preperation for better pressure solver. This is not our own implementation
Util cpp file
Moved in order for include to work better
fixed conflicts
continued work on 2d to 3d