switch to standalone cassandra and tomcat; delete the attempt to use cassandraio
fix compile error
add bulk-load accessible through web page or via restful post method
Minor modifications for PEP-8 compliance
Bugfix: Couch database was not created automatically
Allow None graph for get_values()
docstrings edits
delete_value() from all graphs
tests cleanup
Use model.delete_proprerty() in delete_value()
minor refinements
pre-merge
insert the keyspace as a parameter for all operations; the keyspace is meant to be the graph name for ERS project
Merge branch 'develop' of https://github.com/ers-devs/ers into global_server
change empty list to empty tuple. remove obsolete comments
add checks regarding the graph parameter and other bug fixes
Merge branch 'develop' of https://github.com/ers-devs/ers into global_server
bulkload bug fix
bugfix index.html curl command for bulkload
add start_sharing.sh