trunk: small fix to get_lda_block.sh (thanks: mozno@users.sf.net) plus a few...

trunk: small fix to get_lda_block.sh (thanks: mozno@users.sf.net) plus a few other unrelated small changes

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@5238 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8