Updated to use new ugdk3d interface
Following ugdk-3d's
Not using ad-hoc fix for PhysicsBody::Move
Temporary fix using dynamic_cast
Not accessing Bullet's body directly anymore
No more ugly dyncasts
Updated to follow ugdk3d
Trying not to double free stuff
Updating... again
Using new ugdk stuff
Updated main to new ugdk interface
Updated to use collision actions from ugdk
Updated to use collision callbacks with point vector
Added friction and damping to body interface
Merge branch 'using_new_ugdk3d' into dev