This may break a lot of things, but it needs to go in. It was tested in standalone and the UCI grid, but it needs a lot more testing.
Known problems:
* HG asset transfers are borked for now
* missing texture is missing
* 3 unit tests commented out for now
sceneB
* However, I'm not convinced that the actual process in the test completely reflects reality, and a lot of stuff had to be rigged up (which should get resolved over time)