* Rename lattice_score_scale to nbest_scale. * Support pure CTC decoding requiring neither a lexicion nor an n-gram LM. * Fix style issues. * Fix a typo. * Minor fixes.
* Rename lattice_score_scale to nbest_scale. * Support pure CTC decoding requiring neither a lexicion nor an n-gram LM. * Fix style issues. * Fix a typo. * Minor fixes.