[gnome-maps] Created tag v3.18.3

[Jonas Danielsson <jonasdn src gnome org>]

The signed tag 'v3.18.3' was created.

Tagger: Jonas Danielsson <jonas threetimestwo org>
Date: Sat Jul 30 23:09:50 2016 +0200

    Release 3.18.3

Changes since the last tag 'v3.18.2':

Cédric Valmary (1):
      Updated Occitan translation

Jonas Danielsson (4):
      Add MapSource module with Mapbox URIs
      Use MapSource module to set map source
      Add Mapbox attribution logo
      Release 3.18.3

Kjartan Maraas (1):
      Updated Norwegian bokmål translation from Haarek <haarektrans gmail com>.

Kristjan SCHMIDT (1):
      Updated Esperanto translation

Matej Urbančič (1):
      Updated Slovenian translation

Mingye Wang (Arthur2e5) (1):
      update zh_CN translation

Rūdolfs Mazurs (3):
      Update Latvian translation
      Update Latvian translation
      Revert "Update Latvian translation"