merging

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/vgg16_cifar10.py

hpvm/test/dnn_benchmarks/keras/vgg16_cifar100.py

hpvm/test/dnn_benchmarks/keras/vgg16_imagenet.py

hpvm/tools/py-approxhpvm/CMakeLists.txt

hpvm/tools/py-approxhpvm/main.py.in