enable galera clustercheck by default

Depends on:
- https://github.com/salt-formulas/salt-formula-galera/pull/30
- https://github.com/salt-formulas/salt-formula-haproxy/pull/36
- https://github.com/epcim/percona-clustercheck

Note: Haproxy clustercheck option is not enabled/forced by default,
to enable load haproxy.proxy.listen.openstack.galera.clustercheck

To release/upgrade notes:
- require corresponding reclass system-level and salt-formula-galera
- available_when_donor clustercheck option might be required to be
  - set to 1 during deployment
  - set to 1 during manual cluster bootstrap
- deploy first galera state w/clustercheck service, then haproxy state

Change-Id: I1f0bf89714297f528e597b08498df386dade6843
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 4fd75aa..35dcda3 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,8 @@
 Changelog
 ==========
 
+* 2017-05-22 Petr Michalec <pmichalec@mirantis.com}
+- enable galera cluster check script for haproxy, require salt-formula-galera >= MCP 1.1
 
 * 2017-03-03 Tomáš Kukrál <tkukral@mirantis.com}
 - change default Salt-API port to 6969