Various updates to builddocker configs to get all build steps working

Change-Id: I922589c2eae0c2d988f521a30e5ccdf981da7c84
Reviewed-on: http://review.couchbase.org/40805
Reviewed-by: Chris Hillery <ceej@couchbase.com>
Tested-by: Chris Hillery <ceej@couchbase.com>