[COLLECTIONS-508] Updating equals and hashCode for ListValuedMap, SetValuedMap and MultiValuedMap

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/collections/trunk@1610049 13f79535-47bb-0310-9956-ffa450edef68
Update

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/collections/trunk@1610057 13f79535-47bb-0310-9956-ffa450edef68