Merge branch 'dnn-vad' into 'master'

MANIFEST.in

bob/kaldi/__init__.py

bob/kaldi/cepstral.py

bob/kaldi/dnn.py

bob/kaldi/test/data/sample16k-cepstral-mfcc.txt

bob/kaldi/test/data/sample16k-cepstral-plp.txt

bob/kaldi/test/data/sample16k-dnn-vad.txt

bob/kaldi/test/data/sample16k-posteriors.txt

bob/kaldi/test/dnn/ami.feature_transform.txt

bob/kaldi/test/dnn/ami.nnet.txt

bob/kaldi/test/test_dnn.py

bob/kaldi/test/test_extractor.py

doc/guide.rst

doc/links.rst