OAK-1800 - backported Solr index configurable rows to branch 1.0

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/branches/1.0@1601554 13f79535-47bb-0310-9956-ffa450edef68
OAK-1835 - relative properties support, merged to branch 1.0

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/branches/1.0@1601556 13f79535-47bb-0310-9956-ffa450edef68