Option to receive mutations from the closed checkpoints only.
Option to receive mutations from the closed checkpoints only.

The TAP client registration tool should support an option to
specify whether the TAP client wants to receive mutations from
the closed checkpoints only.

Change-Id: Ibd0d2c84953184918699aed5f23e54a3cec8f17b
Reviewed-on: http://review.membase.org/5224
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Reviewed-by: Bin Cui <ed18693fff32c00e22495f4877a3b901bed09041@gmail.com>
Tested-by: Chiyoung Seo <8b279095f11c26cc21045fda5a3e51debb005aa9@gmail.com>

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