added reading/writing model params from/to file, need to test
added type alias' for TranslationParameters & AlignmentParameters and changed to defaulting these using traits in the IbmModels
changed package structure, fixed IbmModel2 & reading/writing params in utf-8, added misc logging + configs + wireframe for (de)serializing params
removing serializing params to file since it is too slow
preparation for phrase-based translation implementation, need to build lexicon and write decoding algorithm
added to .gitignore