Adding overtime report classes

ext/admin/reports/reportClasses/OvertimeSummaryReport.php

@@ -0,0 +1,10 @@
+<?php
+if(!interface_exists('OvertimeReport')){
+    include_once APP_BASE_PATH.'admin/reports/reportClasses/OvertimeReport.php';
+}
+
+class OvertimeSummaryReport extends OvertimeReport{
+    protected function isAggregated(){
+        return true;
+    }
+}