CBQE-1153: support new ssh tag

Change-Id: I301468b0b40cd8ccd97c327787c36d18c45a5f0a
Reviewed-on: http://review.couchbase.org/26790
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Tommie McAfee <tommie@couchbase.com>