[gnome-calculator] Created tag 3.31.91

[Robert Roth <robertroth src gnome org>]

The unsigned tag '3.31.91' was created.

Tagger: Robert Roth <robert roth bee-tf ro>
Date: 1550518059 +0200

    Overview of changes in gnome-calculator 3.31.91
        * Updated Danish translation (Alan Mortensen)
        * Updated Kazakh translation (Baurzhan Muftakhidinov)
        * Updated Catalan translation (Jordi Mas)
        * Updated Swedish translation (Anders Jonsson)
        * Updated Czech translation (Marek Cernocky)
        * Updated Slovenian translation (Matej Urbančič)
        * Updated Japanese translation (Ryuta Fujii)
        * Updated Spanish translation (Daniel Mustieles)
        * Updated Romanian translation (Daniel Șerbănescu)
        * Updated Galician translation (Fran Diéguez)
        * Updated Turkish translation (Emin Tufan)
        * Updated Indonesian translation (Kukuh Syafaat)
        * Updated Polish translation (Piotr Drąg)
        * Updated Hungarian translation (Balázs Úr)
        * Additional syntax for unit conversion (Tuomas Mikkola)
        * Updated Spanish translation (Daniel Mustieles)
        * Updated Finnish translation (Jiri Grönroos)
        * Updated Friulian translation (Fabio Tomat)
        * Updated Galician translation (Fran Diéguez)

Changes since the last tag '3.31.90':

Alan Mortensen (1):
      Updated Danish translation

Anders Jonsson (1):
      Update Swedish translation

Balázs Úr (2):
      Update Hungarian translation
      Update Hungarian translation

Baurzhan Muftakhidinov (1):
      Update Kazakh translation

Daniel Mustieles (2):
      Updated Spanish translation
      Updated Spanish translation

Daniel Șerbănescu (1):
      Update Romanian translation

Emin Tufan Çetin (1):
      Update Turkish translation

Fabio Tomat (1):
      Update Friulian translation

Fran Dieguez (2):
      Update Galician translation
      Update Galician translation

Jiri Grönroos (1):
      Update Finnish translation

Jordi Mas (1):
      Update Catalan translation

Kukuh Syafaat (2):
      Update Indonesian translation
      Update Indonesian translation

Marek Cernocky (1):
      Updated Czech translation

Matej Urbančič (1):
      Updated Slovenian translation

Piotr Drąg (1):
      Update Polish translation

Robert Roth (3):
      Fixed incorrect release version in appdata
      Fixed incorrect release version in appdata
      Prepared release 3.31.91

Ryuta Fujii (1):
      Update Japanese translation

Tuomas Mikkola (1):
      equation-lexer.vala: Additional syntax for unit conversion