[gnome-system-monitor] Created tag 3.28.1

[Robert Roth <robertroth src gnome org>]

The unsigned tag '3.28.1' was created.

Tagger: Robert Roth <robert roth off gmail com>
Date: Mon Apr 9 21:41:04 2018 +0300

    Tagged release 3.28.1

Changes since the last tag '3.28.0':

Benoît Dejean (1):
      Fix bytes to bits conversion.

Dz Chen (1):
      Update zh_CN translation

Guillaume Bernard (1):
      Update French translation

Matej Urbančič (1):
      Added Slovenian translation

Robert Roth (1):
      Prepared release 3.28.1

Stas Solovey (1):
      Update Russian translation