Allow using redis as a Zaqar messaging backend.

Change-Id: I66ab40f8f993fbf4c3c9b1ded56de1f7a1a26c0c

manifests/profile/base/zaqar.pp

@@ -104,6 +104,8 @@ class tripleo::profile::base::zaqar (
       class {'::zaqar::messaging::mongodb':
         uri => $mongo_database_connection,
       }
+    } elsif $messaging_store == 'redis' {
+      include ::zaqar::messaging::redis
     } else {
       fail("unsupported Zaqar messaging_store set: ${messaging_store}")
     }

releasenotes/notes/zaqar-redis-5ff1028b66fd47a8.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - Allow using Redis as Zaqar messaging backend.
+