Show checkpoint sizes.
Show checkpoint sizes.

Change-Id: Ia56c2ead4eefa97279cc3e7cd6d94c3e6a9f7fdf
Reviewed-on: http://review.couchbase.org/10198
Tested-by: Dustin Sallings <1c08efb9b3965701be9d700d9a6f481f1ffec3ea@spy.net>
Reviewed-by: Dustin Sallings <1c08efb9b3965701be9d700d9a6f481f1ffec3ea@spy.net>

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