GitLab

Various script updates and improvements and fixes; removing s4 which is no longer needed; cosmetic changes to code (changing names of some variables); small code extensions e.g. new binary.

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@635 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8