JCR-332: Updated the jackrabbit-core README
JCR-332: Updated the jackrabbit-core README

git-svn-id: 02b679d096242155780e1604e997947d154ee04a@485156 13f79535-47bb-0310-9956-ffa450edef68

apache/jackrabbit,apache/jackrabbit,apache/jackrabbit