(MAINT) Update to ring-servlet 1.4.0
(MAINT) Update to ring-servlet 1.4.0

camlow325/trapperkeeper-webserver-jetty9,puppetlabs/trapperkeeper-webserver-jetty9,camlow325/trapperkeeper-webserver-jetty9,rlinehan/trapperkeeper-webserver-jetty9,puppetlabs/trapperkeeper-webserver-jetty9,rlinehan/trapperkeeper-webserver-jetty9