Release 1.6.0beta2.
Release 1.6.0beta2.

papandreou/assetgraph,papandreou/assetgraph,slang800/assetgraph,jscinoz/assetgraph,jscinoz/assetgraph,papandreou/assetgraph,slang800/assetgraph,jscinoz/assetgraph,assetgraph/assetgraph