OAK-4299: oak-run console should connect to repository in read-only mode by default
OAK-4299: oak-run console should connect to repository in read-only mode by default

Update doc

git-svn-id: 67138be12999c61558c3dd34328380c8e4523e73@1740951 13f79535-47bb-0310-9956-ffa450edef68

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