Send all aggregate data to add_aggregate_host.
Send all aggregate data to add_aggregate_host.

Update the add_aggregate_host method of the compute rpc api to take in
all aggregate data instead of just the aggregate id.  This avoids a db
lookup in the nova-compute service.

Part of blueprint no-db-compute.

Change-Id: Iaccfa28ac23452a4e78581c6b5a6687417283838

n0ano/ganttclient