optimizing acss stage 1
changes in corpus to account for correct .phn files
added "__" as splitting symbol
added readmlf method to corpus.py to read triphone .mlf files
optimizing acss stage 2
added extract_phones to make byline phones files for Mark
pulled over mfcc related scripts and configuration files that generated
the binary mfcc files for Aren & Guillaume
added pron_dict to extract a pronunciation dictionary
evaluation will no longer be a module
updated metric latex
updated .gitignore