MB-100: use "litmus dashboard" instead of "cbmonitor"

Change-Id: I7786f7c0cb2d28b052dacc813c3bf231d436fbae
Reviewed-on: http://review.couchbase.org/25435
Reviewed-by: Pavel Paulau <pavel.paulau@gmail.com>
Tested-by: Pavel Paulau <pavel.paulau@gmail.com>