SCRD-3478 fix issues
SCRD-3478 fix issues

* Resolve issue communicating with nova service
* Return nove service statuses by binary name not numeric id

Change-Id: I1119b1c7f07b546d78d59ecc5c5efc6443c58dc6

ArdanaCLM/ardana-service,ArdanaCLM/ardana-service