trunk, nnet2 training: removed learning_rate_s...
trunk, nnet2 training: NON-BACK-COMPATIBLE CHAN...
trunk: add presoftmax_prior_scale for online-nn...
trunk: add insertion penalty for scoring
trunk: add the step of computing silence probab...
trunk: fix formula in computing stddev
trunk: update fisher_swbd recipes for nnet2 tra...
trunk: revert steps/nnet/train.sh to rev 4965