Replace dependency on MySQL_python with one on mysql-connector-python and add a dependency on the Keystone WSGI middleware, reflecting the current code's dependencies.
Replace dependency on MySQL_python with one on mysql-connector-python and add a dependency on the Keystone WSGI middleware, reflecting the current code's dependencies.

NCI-Cloud/reporting-api,NCI-Cloud/reporting-api,NeCTAR-RC/reporting-api,NeCTAR-RC/reporting-api