[feature/module_services] Turn clock and stylechanger into new modules only

modules/stylechanger.php

@@ -51,6 +51,38 @@ class stylechanger extends module_base
 		$this->user = $user;
 	}
 
+	/**
+	* @inheritdoc
+	*/
+	public function get_allowed_columns()
+	{
+		return $this->columns;
+	}
+
+	/**
+	* @inheritdoc
+	*/
+	public function get_name()
+	{
+		return $this->name;
+	}
+
+	/**
+	* @inheritdoc
+	*/
+	public function get_image()
+	{
+		return $this->image_src;
+	}
+
+	/**
+	* @inheritdoc
+	*/
+	public function get_language()
+	{
+		return $this->language;
+	}
+
 	/**
 	* @inheritdoc
 	*/