add UsageInformation Interface to every class which can be used by Plugin Authors

core/Callbacks/TimerManager.php

@@ -2,6 +2,8 @@
 
 namespace ManiaControl\Callbacks;
 
+use ManiaControl\General\UsageInformationAble;
+use ManiaControl\General\UsageInformationTrait;
 use ManiaControl\ManiaControl;
 
 /**
@@ -11,7 +13,9 @@ use ManiaControl\ManiaControl;
  * @copyright 2014-2017 ManiaControl Team
  * @license   http://www.gnu.org/licenses/ GNU General Public License, Version 3
  */
-class TimerManager {
+class TimerManager implements UsageInformationAble {
+	use UsageInformationTrait;
+
 	/*
 	 * Private properties
 	 */