Update web_api_model.rdf: has_name and has_service_uri properties added
Update model_instantiation.py: has_name and has_service_uri properties added on new_operation() method
Update model_instantiation_demo.rdf: demo statements of has_name and has_service_uri properties added
Update printtopicdistributions.py: retrieving the operation name and service URI for each operation by querying the service_registry database
Update printtopics.py: words_per_topic file created
Update printtopics.py: new line added at the end of each list of words per topic
Update printtopics.py & printtopicdistributions.py: Operation name and per topic terms added to per-document-topic.csv
Merge branch 'develop'