fixes CC-94

Zenoss calls to get services now can supply a tenantID. Filtering (by name and tenantID) is now down on the server side.
Not doing anything. It wont break the unit test. I didnt write this unit test... nor have I improved it... just kept it working as designed: see https://github.com/control-center/serviced/blob/develop/dao/elasticsearch/controlplanedao_test.go