Move all files to a MIT license

vimperator/locale/en-US/help.js

@@ -1,3 +1,8 @@
+// Copyright (c) 2009 by Doug Kearns <dougkearns@gmail.com>
+//
+// This work is licensed for reuse under an MIT license. Details are
+// given in the LICENSE.txt file included with this file.
+
 
 function checkFragment()
 {