mux.Handle("/arvados/v1/links/", rtr)
mux.Handle("/login", rtr)
mux.Handle("/logout", rtr)
mux.Handle("/arvados/v1/links/", rtr)
mux.Handle("/login", rtr)
mux.Handle("/logout", rtr)
hs := http.NotFoundHandler()
hs = prepend(hs, h.proxyRailsAPI)
hs := http.NotFoundHandler()
hs = prepend(hs, h.proxyRailsAPI)