OAK-5918 - Document enhancements in DocumentNodeStore in 1.6
OAK-5918 - Document enhancements in DocumentNodeStore in 1.6

Preparing to add table of content. Switch to # based heading model

git-svn-id: 67138be12999c61558c3dd34328380c8e4523e73@1787978 13f79535-47bb-0310-9956-ffa450edef68

mduerig/jackrabbit-oak,mduerig/jackrabbit-oak,mduerig/jackrabbit-oak,mduerig/jackrabbit-oak,mduerig/jackrabbit-oak