- steps/nnet/train_scheduler.sh : add option --keep-lr-iters, to delay learning-rate halving when requested
- utils/nnet/make_nnet_proto.py : add max-norm support
- timit/s5/local/score*.sh : faster scoring
- tedlium/s5/local/run_dnn.sh : bugfix, for sMBR step decode once



git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@4323 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8