OAK:301: Document Oak
OAK:301: Document Oak

Use disabled instead of undefined for disabling the index to be used

git-svn-id: 67138be12999c61558c3dd34328380c8e4523e73@1666652 13f79535-47bb-0310-9956-ffa450edef68

davidegiannella/jackrabbit-oak,davidegiannella/jackrabbit-oak,davidegiannella/jackrabbit-oak,davidegiannella/jackrabbit-oak,davidegiannella/jackrabbit-oak