Added new cPanel driver - fixes localization related issues (#1487015)
Update changelog
Fix blockquote width in sent mail (#1489031)
Fix empbedded warning icon
Fix session issues with use_https=true (#1488986)
Skip message/rfc822 attachments only in reply mode
Remove "HTML message" from attachments list while viewing a message in text mode (#1486939)
Fix possible header duplicates when using additional headers (#1489033)