Avoid artifact download errors while site build.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/vfs/trunk@1646953 13f79535-47bb-0310-9956-ffa450edef68
RAT Report: exclude trivial test resoures or add header

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/vfs/trunk@1646954 13f79535-47bb-0310-9956-ffa450edef68