Replacing the default lmwt ranges in scoring scripts [both local and global] with more reasonable values [chain systems need values <10, and no system really needs lmwt=20].

trunk: JHU submission to ASpIRE far-field recognition challenge. Joint work with Daniel Povey and Guoguo Chen. Best result on dev is 29% WER. Includes minor changes to steps/nnet2/scripts.

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@4989 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8

trunk: changing all the scoring scripts to use 'sctk' instead of 'sctk-2.4.0' as directory name (Makefile now creates soft link).  Note: this will unfortunately break existing setups, causing users to need to recompile in tools/

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@4354 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@2625 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@1646 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8

git-svn-id: https://svn.code.sf.net/p/kaldi/code/sandbox/dan@1524 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@1280 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@939 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@937 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8