GitLab

unified the nomencature to codebook* and tied*; introduced more cache-like tied codebook evaluation, integrated dan's proposal for smoothing as MleTiedGmm::Interpolate2

git-svn-id: https://svn.code.sf.net/p/kaldi/code/sandbox/discrim@471 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8