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

@@ -27,6 +27,7 @@
         "api_version": "{{ .Info.Version }}",
     }, prometheus.DefaultRegisterer)
 
+    {{ if gt (len .Tags) 0 }}
     {{range .OperationGroups}}
     {{ .Name }}.RegisterPrometheus(reg)
     {{- end}}
@@ -30,4 +31,7 @@
     {{range .OperationGroups}}
     {{ .Name }}.RegisterPrometheus(reg)
     {{- end}}
+    {{ else }}
+    RegisterPrometheus(reg)
+    {{ end }}
 }