made only-web.rb use port 8080
made only-web.rb use port 8080

It's more convenient that way and allows parallel development in
only-web and normal 'mode'.

Change-Id: I66b8bb86b97e81915b8ec60951484a2864ac83c7
Reviewed-on: http://review.northscale.com/2848
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>
Reviewed-by: Steve Yen <ef850f73f7832052d3c6d9b5ddd3a1716d9a57f1@gmail.com>

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