Merge branch 'lecacy' into 'master'

bob/__init__.py

bob/learn/__init__.py

bob/learn/pytorch/__init__.py

bob/learn/pytorch/architectures/CASIANet.py

bob/learn/pytorch/architectures/CNN8.py

bob/learn/pytorch/architectures/ConditionalGAN.py

bob/learn/pytorch/architectures/ConvAutoencoder.py

bob/learn/pytorch/architectures/DCGAN.py

bob/learn/pytorch/architectures/DeepMSPAD.py

bob/learn/pytorch/architectures/DeepPixBiS.py

bob/learn/pytorch/architectures/DltResNet.py

bob/learn/pytorch/architectures/FASNet.py

bob/learn/pytorch/architectures/LightCNN.py

bob/learn/pytorch/architectures/MCCNN.py

bob/learn/pytorch/architectures/MCCNNv2.py

bob/learn/pytorch/architectures/MCDeepPixBiS.py

bob/learn/pytorch/architectures/ResNet.py

bob/learn/pytorch/architectures/__init__.py

bob/learn/pytorch/architectures/utils.py

bob/learn/pytorch/datasets/__init__.py