OAK-4072 - Update Jackrabbit version to 2.12.1
OAK-4072 - Update Jackrabbit version to 2.12.1

git-svn-id: 67138be12999c61558c3dd34328380c8e4523e73@1732899 13f79535-47bb-0310-9956-ffa450edef68

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