Updated README for Athos and its benchmark networks.

Athos/Networks/ChestXRay/README.md

Athos/Networks/DenseNet/README.md

Athos/Networks/Lenet/README.md

Athos/Networks/LogisticRegression/LogisticRegressionTrain.py

Athos/Networks/LogisticRegression/README.md

Athos/Networks/OtherBenchmarks/README.md

Athos/Networks/ResNet/README.md

Athos/Networks/SecureNNBenchmarks/README.md

Athos/Networks/SqueezeNetCIFAR10/README.md

Athos/Networks/SqueezeNetCIFAR10/Squeezenet_model.py

Athos/Networks/SqueezeNetImgNet/README.md

Athos/README.md

Athos/SeeDot/README.md