some more debian-glue jobs

gerrit, kafka, latexml, varnish and wikistats now have debian glue jobs.

Change-Id: I63c08ee28c7c1f988fabfa4b4bbb8a41882080ca
drop obsolete occurences of gerrit-name

Change-Id: Icbd86bf0e80c9e99c6d0ee1eb8d064b9efa306d3