Bug 2438: Don't restart ns_memcached when renaming the node.
Bug 2438: Don't restart ns_memcached when renaming the node.

Change-Id: I76def3a7dd945205774ab114a9653da21097d92e
Reviewed-on: http://review.northscale.com/2611
Tested-by: Steve Yen <ef850f73f7832052d3c6d9b5ddd3a1716d9a57f1@gmail.com>
Reviewed-by: Steve Yen <ef850f73f7832052d3c6d9b5ddd3a1716d9a57f1@gmail.com>

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