Clean-up libraries

application/libraries/Lang_detect.php

@@ -1,11 +1,53 @@
-<?php defined('BASEPATH') || exit("No direct script access allowed");
+<?php defined('BASEPATH') || exit('No direct script access allowed');
+/*
+ * Copyright (c) 2011 Karsten Heiken, Eike Foken
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
 
+/**
+ * Language detection library.
+ *
+ * @package ScattPort
+ * @author Eike Foken <kontakt@eikefoken.de>
+ */
 class Lang_detect {
 
+	/**
+	 * Contains the CI instance.
+	 *
+	 * @var object
+	 */
 	private $CI;
 
+	/**
+	 * Contains all supported languages.
+	 *
+	 * @var array
+	 */
 	private $supportedLanguages = array();
 
+	/**
+	 * Contains the detected language.
+	 *
+	 * @var string
+	 */
 	private $language = '';
 
 	/**