OAK-7368: switch to findbugs replacement that is still maintained (spotbugs)
OAK-7368: switch to findbugs replacement that is still maintained (spotbugs)

git-svn-id: 67138be12999c61558c3dd34328380c8e4523e73@1832258 13f79535-47bb-0310-9956-ffa450edef68

catholicon/jackrabbit-oak,catholicon/jackrabbit-oak,catholicon/jackrabbit-oak,catholicon/jackrabbit-oak,catholicon/jackrabbit-oak