Merge pull request deepchem#546 from rbharath/layer_variables

Layers own variables

Merge pull request deepchem#487 from lilleswing/tensorflow-1.0.1

Tensorflow 1.0.1

Merge pull request deepchem#71 from rbharath/travis

Yet another setup change.

Merge pull request deepchem#70 from rbharath/travis

Moving to pbr for setup

Merge pull request deepchem#69 from rbharath/travis

Making non-develop install possible

Merge pull request deepchem#60 from rbharath/travis

[WIP] First version of travis build.