nltk tag api changed, so here we are using the new method name
Merge branch 'nltk-3-patches' into relational-storage
sketching first implementation of get-segment-to-label
sketching tests for get next segment
finished implementation and testing of get_next_segment_to_label
Merge branch '187-django-view-for-labeling-evidence' into relational-storage
Added mock for get_enrich_token
Meta attributes for LabeledRelationEvidence model
added basic template
Merge branch 'segment-questions-template' into relational-storage