add large scale n1ql test
add large scale n1ql test

Change-Id: I9d45ee9d9e77b1e8b1ee3cf6d95ba7a6f60e2fd3
Reviewed-on: http://review.couchbase.org/37372
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Pavel Paulau <dd88eded64e90046a680e3a6c0828ceb8fe8a0e7@gmail.com>

couchbase/perfrunner,hsharsha/perfrunner,EricACooper/perfrunner,PaintScratcher/perfrunner,mikewied/perfrunner,EricACooper/perfrunner,couchbase/perfrunner,couchbase/perfrunner,mikewied/perfrunner,EricACooper/perfrunner,pavel-paulau/perfrunner,pavel-paulau/perfrunner,couchbase/perfrunner,couchbase/perfrunner,thomas-couchbase/perfrunner,pavel-paulau/perfrunner,vmx/perfrunner,couchbase/perfrunner,hsharsha/perfrunner,pavel-paulau/perfrunner,pavel-paulau/perfrunner,dkao-cb/perfrunner,thomas-couchbase/perfrunner,PaintScratcher/perfrunner,vmx/perfrunner,EricACooper/perfrunner,dkao-cb/perfrunner