Issue #1477: Add matchMedia to the browser list of globals
Issue #1460: Fixed a typo in messages.js

Signed-off-by: Anton Kovalyov <anton@kovalyov.net>
Issue #1464: Correctly fix #1282 (relaxing maxlen for comments)

Signed-off-by: Anton Kovalyov <anton@kovalyov.net>
Version 2.4.2
Issue #1425: Add 'unknown' to the list of valid typeof values
Patched JSHint to support chained indentation of ({ and ('...', { properly