Fixing features length bug in UnidicFormatter, fixing developer id in pom.
pom: use latest unidic 2.1.1
UniDicFormatter: fix IIOOBE
add inflection to Token and Dictionary
update to unidic 2.1.2 source with kana and accent
add support for kana/accent from unidic-mecab_kana-accent
prevent IOOBE for e.g. accent position [23]