enhance insight grid
enhance insight grid

Change-Id: I14cd3c1baf5c5d6a967c1e5ad057ad95b6f1e8d9
Reviewed-on: http://review.couchbase.org/32271
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Pavel Paulau <dd88eded64e90046a680e3a6c0828ceb8fe8a0e7@gmail.com>

couchbase/cbmonitor,couchbase/cbmonitor