NCBC-332: Change the default DeadTimeout to 2 seconds.

Change-Id: Ic6c07d8d64e79a7ff8ba50b14e91670a0c3fe490
Reviewed-on: http://review.couchbase.org/30277
Reviewed-by: Jeffry Morris <jeffrymorris@gmail.com>
Tested-by: Jeffry Morris <jeffrymorris@gmail.com>