added app to visualize motion planner
minor print fix
added include files
fixed git ignore
added Xcode project etc
Merge branch 'master' of https://github.com/jvisenti/compgeo into RV-App

Conflicts:
	.gitignore
removed pvr
Merge branch 'master' of https://github.com/jvisenti/compgeo into RV-App
model node now used the mesh of its MPModel
added key press monitoring
started work on constraining motion based on collisions
better way of computing bounding spheres
minor fixes
can now move with wasd and along z axis
update to latest bhgl
can now press multiple movement keys
removed redundant methods
enabled zooming
fixed scene rotation
added mesh methods to aid in enumerating a triangulation