GitLab

sandbox/dan2: Add some things to be used for nnet2 discriminative training (this setup is not finished yet); some code reorganization (move things related to Posterior to hmm/posterior.{h,cc}); rename zero_if_disjoint to drop_frames (also in scripts)

git-svn-id: https://svn.code.sf.net/p/kaldi/code/sandbox/dan2@3169 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8