Deleted unused projects and files
Added lever world
fixed right hand palm always being smaller
removed weight and added friction to kinematic objects of hand
* Added static plane ground in BowlWorld
* Deleted SimpleWallWorld
readonlies ..
Adjusted rubics world size
Added Jenga szene
tweaked jenga scene
adjusted sizes in cubes world
* removed Gravity property from IPhysicsWorld
* some adjustments on RubicsWorld
* removed unused code in PhysicsHand