Back to latest snapshot after release

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1512189 13f79535-47bb-0310-9956-ffa450edef68
Fix typo

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1512193 13f79535-47bb-0310-9956-ffa450edef68