Topic/default/deprecation cleanup

remove a deprecation warning for golang.org/x/crypto/ssh/terminal replacing it by golang.org/x/term

the cset is independent and can be moved wherever you want before phasing.

templates/server/initPrometheus.gotmpl

@@ -27,7 +27,11 @@ func init() {
         "api_version": "{{ .Info.Version }}",
     }, prometheus.DefaultRegisterer)
 
+    {{ if gt (len .Tags) 0 }}
     {{range .OperationGroups}}
     {{ .Name }}.RegisterPrometheus(reg)
     {{- end}}
+    {{- else }}
+    RegisterPrometheus(reg)
+    {{- end }}
 }