Starting merge of the Advanced Physics classes and splitting off Flixel physics into ArcadePhysics.
Added lots more classes into the Advanced Physics package
Space and Joints interface added.
Compiling, but not yet running correctly. Need to add body renderer next.
After a mammoth debugging session we now have advanced physics colliding and responding accurately :)
Commiting before a small refactor of Shapes and Joints
Refactor completed. Now to tie the physics and sprites together.
Merge branch 'photonstorm/097'