Ivan Safrin9f0a1f1905Added safe_delete to Lua API which deletes passed object on next frame, added stopTrackingChild to PhysicsScreen, contact events now dispatched after box2d step completes.
9d619f2d49
Improved notion of Bullet 'found': don't assume absent debug libraries mean absent Bullet, and if Bullet is *really* absent, then don't try to build the binaries.
9f0a1f1905
Added safe_delete to Lua API which deletes passed object on next frame, added stopTrackingChild to PhysicsScreen, contact events now dispatched after box2d step completes.