Velocity2D → Gmres2D Relation

File in VM2D/Velocity2D	Includes file in VM2D/Gmres2D
OptimizedVelocity2D.cpp	Gmres2D.h
Velocity2D.cpp	Gmres2D.h
Velocity2DBarnesHut.cpp	Gmres2D.h
Velocity2DBiotSavart.cpp	Gmres2D.h