Doc: QFileDevice and QFile::setPermissions do not manipulate ACLs

Task-number: QTBUG-41271
Change-Id: Id97add8a6fdb7ce59020e833f6dc11744c9aaa7e
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Update QSsl::SecureProtocols to not include Sslv3

After the poodle vulnerability SSLv3 should like SSLv2 no longer be
considered safe, so when a user request a safe protocol we should
only allow TLS versions.

[ChangeLog][QtNetwork][QSsl] QSsl::SecureProtocols now also excludes SSLv3

Change-Id: If825f6beb599294b028d706903b39db6b20be519
Reviewed-by: Richard J. Moore <rich@kde.org>