Added support for highlighted messages.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Use date instead of date_printed for message timestamps.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Added prompt face support.

In bunt und farbe.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Notifications support for highlighted messages.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>