New port: deskutils/alarm-clock-applet

Alarm Clock is a fully-featured alarm clock for your GNOME panel or
equivalent. It's easy to use yet powerful with support for multiple
repeatable alarms, as well as snoozing and a flexible notification
system. Alarm Clock will notify you of an alarm by either playing a
sound or starting your favorite music player!

WWW: http://alarm-clock.pseudoberries.com/

PR: 208160
Submitted by: iluxa@ex.ua
Approved by: lme (mentor)
Differential Revision: https://reviews.freebsd.org/D9631