[hitori] Created tag 3.31.0

[Philip Withnall <pwithnall src gnome org>]

The signed tag '3.31.0' was created.

Tagger: Philip Withnall <withnall endlessm com>
Date: 1550594449 +0000

    Release version 3.31.0
    
    Git-EVTag-v0-SHA512: 
46210808a556232c69a800aaf480f1c15cf9c1e988fae68be3e399c4485c7c789d18da2ade171500a509448a929a252b2ef979c7b96e34b40b815a8f9dd364aa

Changes since the last tag '3.22.4':

Anders Jonsson (1):
      Update Swedish translation

Balázs Úr (1):
      Update Hungarian translation

Bilal Elmoussaoui (3):
      appdata: Improve the appdata file per the FD spcs
      build: Add Meson support
      build: Drop autotools support

Charles Monzat (1):
      Update French translation

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

Daniel Șerbănescu (4):
      Update Romanian translation
      Update Romanian translation
      Updated Romanian translation for documentation
      Renamed the romanian figure to match the naming scheme in the po file.

Efstathios Iosifidis (1):
      Update Greek translation

Fabio Tomat (4):
      added Friulian translation
      added friulian changes
      added friulian
      Update Friulian translation

Fran Dieguez (1):
      Update Galician translation

Jeremy Bicha (1):
      snap: Add snap build configuration

Jiri Grönroos (1):
      Update Finnish translation

Joe Hansen (1):
      Updated Danish translation

Jonathan Kang (2):
      Retire app menu
      Use G_DECLARE_FINAL_TYPE() to declare type

Jordi Mas (1):
      Update Catalan translation

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

Marek Cernocky (1):
      Updated Czech translation

Matej Urbančič (2):
      Added Slovenian translation
      Updated Slovenian translation

Mathieu Bridon (1):
      flatpak: Disable -Werror

Philip Withnall (15):
      Revert "added friulian changes" to old ChangeLog
      interface: Fix -Wdouble-promotion warnings
      docs: Migrate git and Bugzilla to GNOME GitLab
      Merge branch 'modenize-type-declaration' into 'master'
      Merge branch 'add-snap' into 'master'
      src: Fix a printf placeholder signedness
      docs: Drop old ChangeLog files
      Merge branch 'meson' into 'master'
      docs: Port README to Markdown
      Merge branch 'readme-md' into 'master'
      docs: Reformat NEWS to be valid Markdown
      Merge branch 'release-preparation' into 'master'
      ci: Add GitLab CI
      Merge branch 'ci' into 'master'
      Release version 3.31.0

Piotr Drąg (4):
      build: Add missing --add-comments to XGETTEXT_OPTIONS
      Update Polish translation
      Update Polish translation
      Update Polish translation

Rafael Fontenelle (1):
      Add Brazilian Portuguese translation for help files

Sabri Ünal (1):
      Update Turkish translation

Xavi Ivars (1):
      [l10n] Updated Catalan (Valencian) translation

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

gogo (2):
      Add Croatian translation
      Update Croatian translation