few fixes in inline-css; added mail.log php.ini option and enabled it in default ini-config

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
use /etc/crontab directly when on FreeBSD because it does not use anything like /etc/cron.d/ file-inclusion, refs and possibly fixes #1437

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>