maintenance release

Pre-built Docker image: https://hub.docker.com/r/mtaril/emtsv

MILESTONE#3

dependency parsing, chunking and named entity recognition tested and work on a 100.000 word text.

MILESTONE#2

xtsv tsv-handling framework finalized. Tokenization + morphological analysis + POS tagging (emToken + emMorph + emLem + emTag) tested and work. Also on a 100.000 word chunk of text.