Ingus Pretkalnins

Add alignment matrix learning

3

Added alignment matrix learning to training. See issue #1105 for more details. Added command line arguments --alignment-matrix for specifying a file to read alignments from. --alignment-matrix-weight for specifying loss coefficient...

I think I found a bug in the sockeye.train.create_data_iters_and_vocabs function. If I understand the code correctly, I suspect lines 388 and 390 should be: `source_factor_vocab_same_as_source=args.source_factors_use_source_vocab` and `target_factor_vocab_same_as_target=args.target_factors_use_target_vocab`, rather than what...