update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/Events/Reports/Base.php

@@ -0,0 +1,28 @@
+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Plugins\Events\Reports;
+
+use Piwik\Plugins\Events\API;
+use Piwik\Plugins\Events\Columns\Metrics\AverageEventValue;
+
+abstract class Base extends \Piwik\Plugin\Report
+{
+    protected function init()
+    {
+        $this->category = 'Events_Events';
+        $this->processedMetrics = array(
+            new AverageEventValue()
+        );
+
+        $this->widgetParams = array(
+            'secondaryDimension' => API::getInstance()->getDefaultSecondaryDimension($this->action)
+        );
+    }
+
+}