Merge branch 'message' into 'master'

dbus: Hint that maybe squeekboard is running

See merge request World/Phosh/squeekboard!475

src/server-main.c

@@ -82,7 +82,7 @@ on_name_lost (GDBusConnection *connection,
     (void)connection;
     (void)name;
     (void)user_data;
-    g_error("DBus unavailable, unclear how to continue.");
+    g_warning("DBus unavailable, unclear how to continue. Is Squeekboard already running?");
     exit (1);
 }