added seriesly handler to handle mc stats
added seriesly handler to handle mc stats

ronniedada/litmus,couchbaselabs/priority15,couchbase/cbagent,vmx/cbagent,couchbaselabs/litmus,couchbase/cbmonitor,couchbase/cbmonitor,couchbaselabs/litmus,ronniedada/litmus,couchbaselabs/litmus,pavel-paulau/cbagent,mikewied/cbagent,couchbaselabs/priority15,couchbaselabs/priority15