update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/ExampleVisualization/ExampleVisualization.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * Piwik - Open source web analytics
+ * Piwik - free/libre analytics platform
  *
  * @link http://piwik.org
  * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
@@ -12,18 +12,4 @@ namespace Piwik\Plugins\ExampleVisualization;
  */
 class ExampleVisualization extends \Piwik\Plugin
 {
-    /**
-     * @see Piwik\Plugin::getListHooksRegistered
-     */
-    public function getListHooksRegistered()
-    {
-        return array(
-            'ViewDataTable.addViewDataTable' => 'getAvailableVisualizations'
-        );
-    }
-
-    public function getAvailableVisualizations(&$visualizations)
-    {
-        $visualizations[] = __NAMESPACE__ . '\\SimpleTable';
-    }
 }