Fixed warnings caused by non-existing messagehub channels.

Changed the setting registration, removed the warnings.
Loot roll messages are more obvious now.
Superadmins are meant to stay mostily hidden, but are being exposed in !system again.

modules/standard/raid/leader_controller.py

@@ -34,9 +34,9 @@ class LeaderController:
 
     def pre_start(self):
         self.command_alias_service.add_alias("repeat", "leader echo")
-        self.setting_service.register_new(self.module_name, "leader_echo_color", "#00FF00", ColorSettingType(),
+        self.setting_service.register(self.module_name, "leader_echo_color", "#00FF00", ColorSettingType(),
                                           "Color with which the leader's messages will be echoed with")
-        self.setting_service.register_new(self.module_name, "leader_auto_echo", True, BooleanSettingType(),
+        self.setting_service.register(self.module_name, "leader_auto_echo", True, BooleanSettingType(),
                                           "If turned on, when someone assume the leader role, "
                                           "leader echo will automatically be activated for said person")