config: demote non-critical warnings to debug

src/controlCenter/widgets/baseWidget.vala

@@ -30,7 +30,7 @@ namespace XimperShellNotificationCenter.Widgets {
             Json.Object ?props = null;
             bool result = config.lookup_extended (key, out orig_key, out props);
             if (!result || orig_key == null || props == null) {
-                warning ("%s: Config not found! Using default config...\n", key);
+                debug ("%s: Config not found, using defaults", key);
                 return null;
             }
             return props;

src/ximperShellNotificationCenterDaemon/ximperShellNotificationCenterDaemon.vala

@@ -211,9 +211,8 @@ namespace XimperShellNotificationCenter {
 
         public bool set_cc_monitor (string name) throws DBusError, IOError {
             if (!app.use_layer_shell) {
-                critical (
-                    "Setting Control Center monitor isn't supported "
-                    + "when layer shell is disabled!");
+                debug ("Setting Control Center monitor isn't supported "
+                    + "when layer shell is disabled");
                 return false;
             }
             unowned Gdk.Monitor ?monitor = Functions.try_get_monitor (name);
@@ -227,9 +226,8 @@ namespace XimperShellNotificationCenter {
 
         public bool set_noti_window_monitor (string name) throws DBusError, IOError {
             if (!app.use_layer_shell) {
-                critical (
-                    "Setting Notification Window monitor isn't supported "
-                    + "when layer shell is disabled!");
+                debug ("Setting Notification Window monitor isn't supported "
+                    + "when layer shell is disabled");
                 return false;
             }
             unowned Gdk.Monitor ?monitor = Functions.try_get_monitor (name);