fixed "Open site" button in control panel - / is not a route

Author: Kaupo Juhkam

views/layouts/main.php

@@ -28,7 +28,7 @@
                     EasyiiCMS
                 </div>
                 <div class="nav">
-                    <a href="<?= Url::to(['/']) ?>" class="pull-left"><i class="glyphicon glyphicon-home"></i> <?= Yii::t('easyii', 'Open site') ?></a>
+                    <a href="<?= Yii::$app->homeUrl ?>" class="pull-left"><i class="glyphicon glyphicon-home"></i> <?= Yii::t('easyii', 'Open site') ?></a>
                     <a href="<?= Url::to(['/admin/sign/out']) ?>" class="pull-right"><i class="glyphicon glyphicon-log-out"></i> <?= Yii::t('easyii', 'Logout') ?></a>
                 </div>
             </div>