rename all the 'grid' variables to 'mesh'.
Rename Grid to Mesh
Fix a lot of Lint warnings in the apps.
Hide the 'depth' of a DistortedTexture inside the library, so users do not get exposed to this weirdness.
Complete the split DistortedObject -> (DistortedTexture,DistortedEffectQueue)
Rename various classes; fix a bug in Around the World.
Major change in API: separate the GRID from DistortedObject; completely remove classes derived from DistortedObject.
Minor
Tidy up 'Cubes' app
Revert the Cubes App.
some improvements for the way we test DistortedObjects.
Add License
Initial commit