Fixing soft tabs in a few files.
diff --git a/system/core/Output.php b/system/core/Output.php
index 7b53f8e..9727a18 100755
--- a/system/core/Output.php
+++ b/system/core/Output.php
@@ -108,7 +108,7 @@
 		// Get mime types for later
 		if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))
 		{
-		    include APPPATH.'config/'.ENVIRONMENT.'/mimes.php';
+			include APPPATH.'config/'.ENVIRONMENT.'/mimes.php';
 		}
 		else
 		{