GitLab

* using least-squares to compute atomic self energies from the dataset

* self atomic energy calculation in the example training file

Add AdamW optimizer, Add docs of nnp training to train a real ANI-1x model, remove h5py and ignite from dependencies, rename MAEMetric -> MaxAEMetric, use torch.utils.tensorboard to replace tensorboardX (#224)

* add ANI model zoo

* Update cache_aev.py