no colored borders for group index

www/analytics/plugins/CorePluginsAdmin/javascripts/pluginExtend.js

@@ -0,0 +1,31 @@
+/*!
+ * Piwik - Web Analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
+$(document).ready(function () {
+
+    $('.extendPlatform .uploadPlugin').click(function (event) {
+        event.preventDefault();
+
+        piwikHelper.modalConfirm('#installPluginByUpload', {
+            yes: function () {
+                window.location = link;
+            }
+        });
+    });
+
+    $('#uploadPluginForm').submit(function (event) {
+
+        var $zipFile = $('[name=pluginZip]');
+        var fileName = $zipFile.val();
+
+        if (!fileName || '.zip' != fileName.slice(-4)) {
+            event.preventDefault();
+            alert(_pk_translate('CorePluginsAdmin_NoZipFileSelected'));
+        }
+    });
+
+});