Set tap_keepalive to 5 minutes in membase buckets.
Set tap_keepalive to 5 minutes in membase buckets.

This allows us to re-use TAP queues if we name them.

Change-Id: Ia994ec6c47c2b32ec02653946abec921553125a0
Reviewed-on: http://review.membase.org/4701
Reviewed-by: Dustin Sallings <1c08efb9b3965701be9d700d9a6f481f1ffec3ea@spy.net>
Tested-by: Dustin Sallings <1c08efb9b3965701be9d700d9a6f481f1ffec3ea@spy.net>

membase/ns_server,ceejatec/ns_server,ceejatec/ns_server,pavel-blagodov/ns_server,membase/ns_server,pavel-blagodov/ns_server,t3rm1n4l/ns_server,nimishzynga/ns_server,pavel-blagodov/ns_server,daverigby/ns_server,pavel-blagodov/ns_server,nimishzynga/ns_server,mschoch/ns_server,membase/ns_server,ceejatec/ns_server,mschoch/ns_server,nimishzynga/ns_server,vzasade/ns_server,t3rm1n4l/ns_server,daverigby/ns_server,vzasade/ns_server,nimishzynga/ns_server,t3rm1n4l/ns_server,membase/ns_server,t3rm1n4l/ns_server,vzasade/ns_server,daverigby/ns_server,mschoch/ns_server,ceejatec/ns_server,daverigby/ns_server,ceejatec/ns_server,mschoch/ns_server,membase/ns_server,daverigby/ns_server,membase/ns_server,nimishzynga/ns_server,vzasade/ns_server,mschoch/ns_server,mschoch/ns_server,ceejatec/ns_server,nimishzynga/ns_server,t3rm1n4l/ns_server