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-#############################
-Upgrading from 3.0.2 to 3.0.3
-#############################
-
-Before performing an update you should take your site offline by
-replacing the index.php file with a static one.
-
-Step 1: Update your CodeIgniter files
-=====================================
-
-Replace all files and directories in your *system/* directory.
-
-.. note:: If you have any custom developed files in these directories,
-	please make copies of them first.
-
-Step 2: Make sure your 'base_url' config value is not empty
-===========================================================
-
-When ``$config['base_url']`` is not set, CodeIgniter tries to automatically
-detect what your website's base URL is. This is done purely for convenience
-when you are starting development of a new application.
-
-Auto-detection is never reliable and also has security implications, which
-is why you should **always** have it manually configured!
-
-One of the changes in CodeIgniter 3.0.3 is how this auto-detection works,
-and more specifically it now falls back to the server's IP address instead
-of the hostname requested by the client. Therefore, if you've ever relied
-on auto-detection, it will change how your website works now.
-
-In case you need to allow e.g. multiple domains, or both http:// and
-https:// prefixes to be dynamically used depending on the request,
-remember that *application/config/config.php* is still a PHP script, in
-which you can create this logic with a few lines of code. For example::
-
-	$allowed_domains = array('domain1.tld', 'domain2.tld');
-	$default_domain  = 'domain1.tld';
-
-	if (in_array($_SERVER['HTTP_HOST'], $allowed_domains, TRUE))
-	{
-		$domain = $_SERVER['HTTP_HOST'];
-	}
-	else
-	{
-		$domain = $default_domain;
-	}
-
-	if ( ! empty($_SERVER['HTTPS']))
-	{
-		$config['base_url'] = 'https://'.$domain;
-	}
-	else
-	{
-		$config['base_url'] = 'http://'.$domain;
-	}