trunk: nnet2 setup: adding train_pnorm_multisplice2.sh which uses the new, compact egs format.

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@4620 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8
trunk: nnet2 training scripts: minor script fixes.

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@4622 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8