OAK-1394: Event generation too slow with DocumentNodeStore

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1566532 13f79535-47bb-0310-9956-ffa450edef68
OAK-1399: Drop TODO.java again from the oak utils

Apply Angela's patch.

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1566549 13f79535-47bb-0310-9956-ffa450edef68
OAK-1401 : Move AbstractLazyIterator to o.a.j.commons.iterator (jackrabbit/jcr-commons)

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1566621 13f79535-47bb-0310-9956-ffa450edef68
OAK-1157 DS implementation for S3-based DSs

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1566623 13f79535-47bb-0310-9956-ffa450edef68
OAK-1407 : Remove oak-sling module

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1566631 13f79535-47bb-0310-9956-ffa450edef68