Github user hanm commented on the issue:
https://github.com/apache/zookeeper/pull/639
@roodkcab we could exclude some of the files for `releaseaudit` target such
as cert files (or even zoo.cfg) where adding Apache License header does not
make any sense. See
[here](https://github.com/apache/zookeeper/blob/master/build.xml#L1722) for how
to ---
