Zooming in on an example. Finalized C++ bindings, minimal script bindings, added a missing install call.
Updating the cmake list to box2d 2.3.0, also fixing a build issue on Android (box2d issue id: 322).
Box2D initial example / test.
Script bindings, wip.
Slight changes to b2Vec2 and b2BodyDef bindings.
Adding b2Fixture::getDensity, constructors and b2PolygonShape.
Adding fixtures, fixture definitions, polygon shapes and shapes to script bindings.
Adding debug traces and dumps to the example script.