Clean up couchdb too to prevent test_util.erl build breaks
Change-Id: I07aeda0e45fdd3091dd647f336d8108b36da60e5
Reviewed-on: http://review.couchbase.org/37013
Reviewed-by: Eric Limare <eric.limare@couchbase.com>
Reviewed-by: Chris Hillery <ceej@couchbase.com>
Tested-by: Chris Hillery <ceej@couchbase.com>