cancel queries only if we reload entire app
cancel queries only if we reload entire app

Change-Id: I7dd73e45801765e748a9d7039f6d80c5a6972ecf
Reviewed-on: http://review.couchbase.org/75946
Tested-by: Pavel Blagodov <596b71e626fc58dbdad141b817770e3e4810bb9b@gmail.com>
Reviewed-by: Michael Wiederhold <a17fed27eaa842282862ff7c1b9c8395a26ac320@couchbase.com>

membase/ns_server,membase/ns_server,membase/ns_server,ceejatec/ns_server,membase/ns_server,membase/ns_server,ceejatec/ns_server,ceejatec/ns_server,membase/ns_server,ceejatec/ns_server,ceejatec/ns_server,ceejatec/ns_server