CBLT-237:  debug call to upload-to-maven.sh

Change-Id: If28a7d8531bbbdf8cde6c426a7de94258fded8a9
Reviewed-on: http://review.couchbase.org/34972
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>