Have proximity components detect exact proximity instead of AABB proximity.
An experimental change to the physics stepping.

This change is mostly to make objects not visibly penetrate walls as deeply. This is particularly annoying for player controllers.
Add ProximityComponent.IsAnythingInside() to the scripting environment.
Add the ability to set and retrieve the gravity of a scene via the scripting environment.
Experimental reordering of some procedures in the scene update routine.
Fix a bug where the wireframe mesh of dynamics and proximity components are not resized when the object is scaled in the scene editor.
Some hacky changes to some values in the shadow mapping shader.
Fix an issue where the projection of a camera is not correctly restored when pausing and resuming in the the scene editor.