Migrate ironic-api to svc-map

This patch migrates the ironic-api element from map-services to
svc-map by adding a svc-map file and adding the -a option to
os-svc-install script calls.

Change-Id: Ie927ac7dac5411e93a11420eb3ef1a03b04c0fba
Merge "Migrate ironic-api to svc-map"