rephrased comment
Added greedy adjacent boundary detection
Changed internal representation of concepts to allow support for boundaries
Isolating features in separate file
Separated features from model.py - features are currently incomplete
Interface to GENIA tagger for features
Added data member for handling chunking
Major overhaul. Isolated features away. Added framework for two passes
Added case for an empty sentence.
Changed some default arguments around
default argument configuration
Merge https://github.com/mitmedg/CliCon into feature-refactoring

Conflicts:
	code/model.py
	code/predict.py
	code/train.py
trying to put on github
Merge branch 'feature-refactoring' of https://github.com/mitmedg/CliCon into feature-refactoring

Conflicts:
	code/model.py
Adding UMLS features
Incorporate all features for both 1st and second pass training
Adding all files to github so Kevin can run it properly
enabling many features (performance still bad)
enabling many features (performance still bad)
blank-line issue not fixed yet