MB-7435: Add tap-vbtakeover to cbstats
MB-7435: Add tap-vbtakeover to cbstats

Change-Id: I77b03dee6ba4c76b713f1b68d61e9e079b1849e8
Reviewed-on: http://review.couchbase.org/25884
Reviewed-by: Jin Lim <c45cd80a556f432a3607171a6818cd5a074b5cd4@couchbase.com>
Reviewed-by: Chiyoung Seo <8b279095f11c26cc21045fda5a3e51debb005aa9@gmail.com>
Tested-by: Michael Wiederhold <a17fed27eaa842282862ff7c1b9c8395a26ac320@couchbase.com>

sriganes/ep-engine,hisundar/ep-engine,jimwwalker/ep-engine,couchbase/ep-engine,owendCB/ep-engine,owendCB/ep-engine,membase/ep-engine,daverigby/ep-engine,sriganes/ep-engine,membase/ep-engine,couchbase/ep-engine,membase/ep-engine,abhinavdangeti/ep-engine,jimwwalker/ep-engine,daverigby/ep-engine,hisundar/ep-engine,owendCB/ep-engine,daverigby/kv_engine,teligent-ru/ep-engine,teligent-ru/ep-engine,couchbase/ep-engine,teligent-ru/ep-engine,sriganes/ep-engine,abhinavdangeti/ep-engine,membase/ep-engine,jimwwalker/ep-engine,jimwwalker/ep-engine,sriganes/ep-engine,abhinavdangeti/ep-engine,abhinavdangeti/ep-engine,hisundar/ep-engine,daverigby/ep-engine,owendCB/ep-engine,daverigby/kv_engine,hisundar/ep-engine,daverigby/ep-engine,teligent-ru/ep-engine,abhinavdangeti/ep-engine,couchbase/ep-engine,daverigby/kv_engine,daverigby/kv_engine