[gnome-sudoku] (5 commits) Non-fast-forward update to branch arnaudb/improve-code

[Arnaud B. <arnaudb src gnome org>]

The branch 'arnaudb/improve-code' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  7a76284... Clean UI files.
  0903bae... Use Gtk namespace.
  2784cb8... Small code improvement.
  72690e8... Use a Grid in PrintDialog.
  fff46d6... Handle fullscreen as maximization.

Commits added to the branch:

  5feb31d... Clean UI files.
  961df2e... Use Gtk namespace.
  85bea9a... Small code improvement.
  c1f2bc1... Use a Grid in PrintDialog.
  f34b915... Handle fullscreen as maximization.