adding setupltools as paert of requirements explicitly
adding setupltools as paert of requirements explicitly

Change-Id: Ifa48cd4c49affbb7660a03cd9396fa321b64c2c2
Reviewed-on: http://review.couchbase.org/c/perfrunner/+/135288
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: <7c5437523872fffef04ef9d4aaffcc0ca27fba16@gmail.com>

couchbase/perfrunner,couchbase/perfrunner,couchbase/perfrunner,couchbase/perfrunner,couchbase/perfrunner,couchbase/perfrunner