Extend ironic formula

Add posibility to configure glance section.
Allow to install ironic api in different modes,
different policy.json files are applied:
 * deploy - only heartbeat and lookup endpoints are allowed
 * public - all except heartbeat and lookup is allowed
 * mixed - all is allowed (single node case)
Update message_queue and database addresses

Change-Id: I5d711649d88ad2b185947a1bb423fe5ad81f4c9b
diff --git a/metadata/service/api/single.yml b/metadata/service/api/single.yml
index 936f250..3765d85 100644
--- a/metadata/service/api/single.yml
+++ b/metadata/service/api/single.yml
@@ -3,6 +3,7 @@
 parameters:
   ironic:
     api:
+      api_type: 'mixed'
       enabled: true
       version: ${_param:ironic_version}
       bind: