SLING-3918 - If a resource does not have a path a NPE occurrs

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1623668 13f79535-47bb-0310-9956-ffa450edef68
SLING-3919 - Update versions for integration tests

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1623675 13f79535-47bb-0310-9956-ffa450edef68