[gnome-user-docs] Created tag 3.31.91

[Petr Kovář <pmkovar src gnome org>]

The unsigned tag '3.31.91' was created.

Tagger: Petr Kovar <pkovar redhat com>
Date: 1550431548 +0100

    3.31.91

Changes since the last tag '3.30.2':

Anders Jonsson (3):
      Update Swedish translation
      Update Swedish translation
      Update Swedish translation

Andre Klapper (2):
      Fix broken link to Fluendo website
      Document Alt+F2 command history

Balázs Úr (1):
      Update Hungarian translation

Fran Dieguez (1):
      Update Galician translation

Jordi Mas (7):
      Update Catalan translation
      Update Catalan translation
      Update Catalan translation
      Update Catalan translation
      Update Catalan translation
      Update Catalan translation
      Update Catalan translation

Oliver Gutiérrez (2):
      Update Spanish translation
      Update Spanish translation

Petr Kovar (5):
      Add make check to gitlab-ci
      Link to status-icons from net-wireless
      Change index page organization for system-admin-guide
      General updates to system-admin-guide
      3.31.91

Piotr Drąg (3):
      Fix XML tags in Spanish translation
      Fix a XML tag in Latvian translation
      Update Polish translation