Choose whether to prerender the inline reply forms

The DefaultLayout plugin will come with options to render various parts
of the page by default or not. The expected default behaviour will try
to imitate the original StatusNet/GNU social looks as far as possible.

plugins/DefaultLayout/DefaultLayoutPlugin.php

@@ -0,0 +1,57 @@
+<?php
+/**
+ * GNU social - a federating social network
+ *
+ * Plugin that produces some of the default layouts of a GNU social site.
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Plugin
+ * @package   GNUsocial
+ * @author    Mikael Nordfeldth <mmn@hethane.se>
+ * @copyright 2014 Free Software Foundation http://fsf.org
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      https://www.gnu.org/software/social/
+ */
+
+if (!defined('GNUSOCIAL')) { exit(1); }
+
+class DefaultLayoutPlugin extends Plugin
+{
+    public $replyforms = false;
+
+    public function onEndShowThreadedNoticeTail(NoticeListItem $nli, Notice $notice, array $notices) {
+        if ($this->replyforms) {
+            $nli->out->elementStart('li', array('class'=>'notice-reply', 'style'=>'display: none;'));
+            $replyForm = new NoticeForm($nli->out, array('inreplyto' => $notice->getID()));
+            $replyForm->show();
+            $nli->out->elementEnd('li');
+        }
+        return true;
+    }
+
+    public function onPluginVersion(&$versions)
+    {
+        $versions[] = array('name' => 'Default Layout',
+                            'version' => GNUSOCIAL_VERSION,
+                            'author' => 'Mikael Nordfeldth',
+                            'homepage' => 'https://www.gnu.org/software/social/',
+                            'rawdescription' =>
+                            // TRANS: Plugin description.
+                            _m('Optional default layout elements.'));
+        return true;
+    }
+}