OAK-668 Make cache size / limits configurable

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1452741 13f79535-47bb-0310-9956-ffa450edef68
OAK-668 Make cache size / limits configurable

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1452742 13f79535-47bb-0310-9956-ffa450edef68