OAK-1266 - use 512 byte key for all databases (removing the MariaDB special case)

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1626010 13f79535-47bb-0310-9956-ffa450edef68
OAK-1915: TarMK failover 2.0

Added runmode syncmaster for oak-run.


git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1626021 13f79535-47bb-0310-9956-ffa450edef68