first import

sites/all/modules/panels/plugins/layouts/onecol/onecol.inc

@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * implementation of hook_panels_layouts()
+ */
+// Plugin definition
+$plugin = array(
+  'title' => t('Single column'),
+  'category' => t('Columns: 1'),
+  'icon' => 'onecol.png',
+  'theme' => 'panels_onecol',
+  'css' => 'onecol.css',
+  'regions' => array('middle' => t('Middle column')),
+);