arm improved
quadrocopter cross updated
optimized hull operation (does not need union anymore)
landing gear works
arm works with bigger motors
mobius stairs
optimizations optimized
improved unionPolyBndOpt
Merge branch 'master' of github.com:miho/JCSG

Conflicts:
	src/main/java/eu/mihosoft/vrl/v3d/CSG.java
samples improved
samples improved
average chicken egg
egg cup added
sabine
-Vector3d can compute angle between vectors
- equals for vectors and vertices implemented
pow stuff improved (pi-b+ support and more)
Merge branch 'master' of github.com:miho/JCSG
servo wheel done
battery holder done
edge test added