Added support for audio databases

MANIFEST.in

bob/learn/tensorflow/datashuffler/DiskAudio.py

bob/learn/tensorflow/datashuffler/__init__.py

bob/learn/tensorflow/initialization/Constant.py

bob/learn/tensorflow/initialization/Gaussian.py

bob/learn/tensorflow/initialization/Initialization.py

bob/learn/tensorflow/initialization/SimplerXavier.py

bob/learn/tensorflow/initialization/Uniform.py

bob/learn/tensorflow/initialization/Xavier.py

bob/learn/tensorflow/initialization/__init__.py

bob/learn/tensorflow/layers/Conv1D.py

bob/learn/tensorflow/layers/__init__.py

bob/learn/tensorflow/loss/NegLogLoss.py

bob/learn/tensorflow/loss/__init__.py

bob/learn/tensorflow/network/SimpleAudio.py

bob/learn/tensorflow/network/__init__.py

bob/learn/tensorflow/script/train_voicepa.py

...rn/tensorflow/test/data/dummy_audio/attack_sentence01.wav

...n/tensorflow/test/data/dummy_audio/genuine_sentence01.wav

bob/learn/tensorflow/test/test_datashuffler.py