Merge remote-tracking branch 'origin/approx_hpvm_reorg_keras' into approx_hpvm_reorg

hpvm/projects/keras/README.md

hpvm/projects/keras/keras_frontend/approxhpvm_translator.py

hpvm/projects/keras/keras_frontend/hpvm_dfg_translator.py

hpvm/projects/keras/setup.py

...-c/benchmarks/alexnet2_cifar10/alexnet2_cifar10_cudnn.cpp

hpvm/test/dnn_benchmarks/keras/Benchmark.py

hpvm/test/dnn_benchmarks/keras/README.md

hpvm/test/dnn_benchmarks/keras/alexnet.py

hpvm/test/dnn_benchmarks/keras/alexnet2.py

hpvm/test/dnn_benchmarks/keras/alexnet_imagenet.py

hpvm/test/dnn_benchmarks/keras/lenet.py

hpvm/test/dnn_benchmarks/keras/mobilenet_cifar10.py

hpvm/test/dnn_benchmarks/keras/resnet18_cifar10.py

hpvm/test/dnn_benchmarks/keras/resnet50_imagenet.py

hpvm/test/dnn_benchmarks/keras/test_benchmarks.py

hpvm/test/dnn_benchmarks/keras/vgg16_cifar10.py

hpvm/test/dnn_benchmarks/keras/vgg16_cifar100.py

hpvm/test/dnn_benchmarks/keras/vgg16_imagenet.py