OAK-7163: Upgrade commons-io dependency to 2.6
OAK-7163: Upgrade commons-io dependency to 2.6

(reverted for now, because it causes upstream issues)

git-svn-id: 67138be12999c61558c3dd34328380c8e4523e73@1821372 13f79535-47bb-0310-9956-ffa450edef68

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