[MariaDB Packagers] MariaDB Galera Cluster 5.5.52 release prep

FYI, prep work for the MariaDB Galera Cluster 5.5.52 release has begun. Expected release date will be Wed, 21 Sep 2016. Draft release notes and changelog: - https://mariadb.com/kb/en/mariadb-galera-cluster-5552-release-notes/ - https://mariadb.com/kb/en/mariadb-galera-cluster-5552-changelog/ As usual, the release notes and changelog are not yet final and may be updated prior to release. Thanks. -- Daniel Bartholomew, MariaDB Release Manager MariaDB | http://mariadb.com