Decouple (to a large degree) the OpenGL Library from Android.
license
Set possibility for the Postprocessing effects to eclipse the whole object or only work at the edges.
First attempt at the MeshBase.apply(VertexEffect) API.
Lower requirements - now only OpenGL ES 3.0 is required; if running on such platform, OIT part of the API ( which is the only one which actually requires 3.1) is switched off.
Correct the Legal notice.
Rename all the classes that are not exported to application to 'Internal'