Normalize comments in core files
diff --git a/system/core/Output.php b/system/core/Output.php
index 3cb4062..6713030 100755
--- a/system/core/Output.php
+++ b/system/core/Output.php
@@ -44,42 +44,49 @@
 	 * @var string
 	 */
 	public $final_output;
+	
 	/**
 	 * Cache expiration time
 	 *
 	 * @var int
 	 */
 	public $cache_expiration	= 0;
+	
 	/**
 	 * List of server headers
 	 *
 	 * @var array
 	 */
 	public $headers			= array();
+	
 	/**
 	 * List of mime types
 	 *
 	 * @var array
 	 */
 	public $mime_types		= array();
+	
 	/**
 	 * Determines wether profiler is enabled
 	 *
 	 * @var book
 	 */
 	public $enable_profiler		= FALSE;
+	
 	/**
 	 * Determines if output compression is enabled
 	 *
 	 * @var bool
 	 */
 	protected $_zlib_oc		= FALSE;
+	
 	/**
 	 * List of profiler sections
 	 *
 	 * @var array
 	 */
 	protected $_profiler_sections = array();
+	
 	/**
 	 * Whether or not to parse variables like {elapsed_time} and {memory_usage}
 	 *
@@ -87,6 +94,9 @@
 	 */
 	public $parse_exec_vars		= TRUE;
 
+	/**
+	 * Set up Output class
+	 */
 	public function __construct()
 	{
 		$this->_zlib_oc = @ini_get('zlib.output_compression');