Add svg to config/mimes.php

Close #3199
diff --git a/application/config/mimes.php b/application/config/mimes.php
index ccca692..a014cb4 100644
--- a/application/config/mimes.php
+++ b/application/config/mimes.php
@@ -174,7 +174,8 @@
 	'7zip'	=>	array('application/x-compressed', 'application/x-zip-compressed', 'application/zip', 'multipart/x-zip'),
 	'cdr'	=>	array('application/cdr', 'application/coreldraw', 'application/x-cdr', 'application/x-coreldraw', 'image/cdr', 'image/x-cdr', 'zz-application/zz-winassoc-cdr'),
 	'wma'	=>	array('audio/x-ms-wma', 'video/x-ms-asf'),
-	'jar'	=>	array('application/java-archive', 'application/x-java-application', 'application/x-jar', 'application/x-compressed')
+	'jar'	=>	array('application/java-archive', 'application/x-java-application', 'application/x-jar', 'application/x-compressed'),
+	'svg'	=>	array('image/svg+xml', 'application/xml', 'text/xml')
 );
 
 /* End of file mimes.php */