Added Ribbon class and major changes to voronoi wall.
Merge branch 'master' of github.com:mrbichel/StereoPlanes

* 'master' of github.com:mrbichel/StereoPlanes:
  added floor of boxes

Conflicts:
	StereoPlanes.xcodeproj/project.pbxproj
	src/testApp.cpp
	src/testApp.h
New feature in voronoi wall. Multiball can punch holes in the wall.