CBPS-278: Report 90th percentile in N1QL latency tests
CBPS-278: Report 90th percentile in N1QL latency tests

Change-Id: I89c2ac31784c20ecacefdc0f5ff24a381ec9aee1
Reviewed-on: http://review.couchbase.org/72429
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Pavel Paulau <dd88eded64e90046a680e3a6c0828ceb8fe8a0e7@gmail.com>

couchbase/perfrunner,pavel-paulau/perfrunner,pavel-paulau/perfrunner,pavel-paulau/perfrunner,couchbase/perfrunner,pavel-paulau/perfrunner,couchbase/perfrunner,couchbase/perfrunner,couchbase/perfrunner,pavel-paulau/perfrunner,couchbase/perfrunner