list candidate of trigger and arguments for trigger-cause relation
adding features for trigger-theme-cause relation
learn & predict trigger-theme-cause
test classification performance for each step
update docs with cause prediction
fix duplicate relation
Merge branch 'trigger-cause'

Conflicts:
	bionlp-genia-ee/src/features/DependencyFeature.py
	bionlp-genia-ee/src/features/FeatureExtraction.py
	bionlp-genia-ee/src/genia-ee.py
renaming and reordering function
v010: merge trigger cause