Add default configuration file location search

The idea is to reduce the amount of command line parameters to a minimum.
To do this we search locally "." and then in parameters' respective default directories.

Remove obsolete package for simple tagged-sentence files

Add multi-root prevention in dep output to conllu

Add dependency parsing instructions to README

Fix missing assignment of POP transition to transition system for par…

…sing with existing model

Added info about lexicon license

Fixed final disparity in parse final beam sort for output

Fixed final disparity in parse final beam sort for output

emnlp 2015

zpar parity without bugs