drag and drop metrics & events to chart views
drag and drop metrics & events to chart views

Change-Id: I6a963c96acd5bfbc8df8da9a1578206f89887b64
Reviewed-on: http://review.couchbase.org/23750
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Pavel Paulau <dd88eded64e90046a680e3a6c0828ceb8fe8a0e7@gmail.com>

couchbase/cbmonitor,couchbase/cbagent,couchbase/cbmonitor,pavel-paulau/cbagent,vmx/cbagent,ronniedada/litmus,mikewied/cbagent,ronniedada/litmus