[frogr] Created tag RELEASE_1.6

[Mario Sanchez Prada <msanchez src gnome org>]

The signed tag 'RELEASE_1.6' was created.

Tagger: Mario Sanchez Prada <msanchez gnome org>
Date: 1578695897 +0100

    Release 1.6

Changes since the last tag 'RELEASE_1.5':

Alan Mortensen (1):
      Updated Danish translation

Andre Klapper (1):
      Replace Bugzilla by Gitlab URL in DOAP file

Asier Sarasua Garmendia (1):
      Add Basque translation

Balázs Úr (1):
      Update Hungarian translation

Fabio Tomat (2):
      Add Friulian translation
      Update Friulian translation

Jordi Mas (2):
      Update Catalan translation
      Update Catalan translation

Kukuh Syafaat (1):
      Update Indonesian translation

Marek Cernocky (1):
      Updated Czech translation

Mario Sanchez Prada (14):
      Prepare for the next release
      Added git to the list of dependencies for CI, needed for ninja dist
      Remove deprecated use of GTimeVal
      Update CI configuration to be based on Fedora 31
      Add information on releases to the AppData XML file
      Restore `werror=true`, changed by mistake in the previous commit
      Update INSTALL not to mention the Build API
      [flatpak] Removed permissions for DConf to work
      Use Glib's G_*_FORMAT macros to specify format in printf-like strings
      [flatpak] Removed unnecessary building flags & parameters
      [flatpak] Fixed typo in json file (trailing comma)
      Remove unnecessary bits from meson.build related to GtkHeaderBar
      Updated Copyright year
      Frogr 1.6 released

Matej Urbančič (1):
      Updated Slovenian translation

Nathan Follens (1):
      Add Dutch translation

Piotr Drąg (1):
      Update Polish translation

Sabri Ünal (1):
      Update Turkish translation

Марко Костић (1):
      Update Serbian translation