Switched to use shortest_path_distance instead of path_similarity, dropped normalization
Changed to version 110 to mark changing method of calculating synset similarity
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/nlp/SemanticString.py
	src/nlp/SemanticString.pyc
	src/nlp/SemanticWord.pyc
	src/nlp/json_to_text.py
update