Merge headword branch to master with minor fixes
Merge headword to master branch.
Merge branch 'master' of https://github.com/gmjabs/nlptools
Merge branch 'master' of https://github.com/gmjabs/nlptools
Add license info for headword-uw and wordnet-uw.
Merge branch 'master' of https://github.com/gmjabs/nlptools
Merge pull request #23 from gmjabs/master

Add license info to uw-headword and uw-wordnet