Add an archive with normalized LM training text for LibriSpeech
- add pronunciation dictionary to resources/11, and rename the vocabulary file for consistency
- committing previous changes, made by Dan, to LibriSpeech's(resources/12) info.txt and about.html
Remove the pruned 4-gram models (not very useful at the moment)
Adding reference to pre-built LibriSpeech AMs at kaldi-asr.org
adding some new soft links