Missing data mapping for ceilometer-api host

Add data mapping to bind ceilometer-api to the correct IP address in HA
scenarios.

Change-Id: I34a439a9d52627ea7b7922b1e5ffaebc9ce71f26
Closes-Bug: #1321939
(cherry picked from commit baf6a7fa17664573f10cd3fd88cffb2afe7626fa)
Merge pull request #101 from CiscoSystems/bugs/1329775

Missing data mapping for ceilometer-api host