[gnome-maps] Created tag v3.31.91

[Marcus Lundblad <mlundblad src gnome org>]

The signed tag 'v3.31.91' was created.

Tagger: Marcus Lundblad <ml update uu se>
Date: 1550524678 +0100

    Release 3.31.91

Changes since the last tag 'v3.31.90':

Alan Mortensen (1):
      Updated Danish translation

Baurzhan Muftakhidinov (1):
      Update Kazakh translation

Efstathios Iosifidis (1):
      Update Greek translation

Jordi Mas (1):
      Update Catalan translation

Marcus Lundblad (4):
      geoJSONSource: Pass tile to idle callback
      gpxShapeLayer: Use util function to get string from buffer
      kmlShapeLayer: Use util function to get string from buffer
      Release 3.31.91

Marek Cernocky (1):
      Updated Czech translation

Piotr Drąg (1):
      Update Polish translation

Yi-Jyun Pan (1):
      Update Chinese (Taiwan) translation