update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/UserCountry/Columns/Continent.php

@@ -0,0 +1,20 @@
+<?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\UserCountry\Columns;
+
+use Piwik\Columns\Dimension;
+use Piwik\Piwik;
+
+class Continent extends Dimension
+{
+    public function getName()
+    {
+        return Piwik::translate('UserCountry_Continent');
+    }
+}