[ci skip] Add text/plain as a valid MIME for js,css,*html,xml
diff --git a/application/config/mimes.php b/application/config/mimes.php
index cced3ee..124e4a4 100644
--- a/application/config/mimes.php
+++ b/application/config/mimes.php
@@ -73,7 +73,7 @@
 	'php3'	=>	'application/x-httpd-php',
 	'phtml'	=>	'application/x-httpd-php',
 	'phps'	=>	'application/x-httpd-php-source',
-	'js'	=>	'application/x-javascript',
+	'js'	=>	array('application/x-javascript', 'text/plain'),
 	'swf'	=>	'application/x-shockwave-flash',
 	'sit'	=>	'application/x-stuffit',
 	'tar'	=>	'application/x-tar',
@@ -104,16 +104,16 @@
 	'png'	=>	array('image/png',  'image/x-png'),
 	'tiff'	=>	'image/tiff',
 	'tif'	=>	'image/tiff',
-	'css'	=>	'text/css',
-	'html'	=>	'text/html',
-	'htm'	=>	'text/html',
-	'shtml'	=>	'text/html',
+	'css'	=>	array('text/css', 'text/plain'),
+	'html'	=>	array('text/html', 'text/plain'),
+	'htm'	=>	array('text/html', 'text/plain'),
+	'shtml'	=>	array('text/html', 'text/plain'),
 	'txt'	=>	'text/plain',
 	'text'	=>	'text/plain',
 	'log'	=>	array('text/plain', 'text/x-log'),
 	'rtx'	=>	'text/richtext',
 	'rtf'	=>	'text/rtf',
-	'xml'	=>	array('application/xml', 'text/xml'),
+	'xml'	=>	array('application/xml', 'text/xml', 'text/plain'),
 	'xsl'	=>	array('application/xml', 'text/xsl', 'text/xml'),
 	'mpeg'	=>	'video/mpeg',
 	'mpg'	=>	'video/mpeg',