Increased mariadb and kibana timeouts

In some deployment scenarios the current timeouts
for mariadb bootstrap and kibana registration with
elasticsearch have been found to be too short. These
timeout increases shouldn't introduce any deployment
slowdown in current environment and eliminate
deployment failures in environments with slower
systems.

Change-Id: If33dfff2b42b23eff7ec2230c9b0c5a4c010072e

ansible/roles/kibana/tasks/post_config.yml

@@ -11,7 +11,7 @@
     status_code: 200
   register: result
   until: result.status == 200
-  retries: 5
+  retries: 20
   delay: 2
   run_once: true
 

ansible/roles/mariadb/defaults/main.yml

@@ -18,7 +18,7 @@ mariadb_services:
 # Database
 ####################
 database_cluster_name: "openstack"
-database_max_timeout: 60
+database_max_timeout: 120
 
 ####################
 # Docker