[gtk] (5 commits) Non-fast-forward update to branch wip/baedert/for-master

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/for-master' 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:

  a30dc84... caledar: Remove spinning code
  17fdc15... calendar: Try to avoid changing size when changing the year
  8dc35b5... calendar: Use widgets for everything
  3bbe589... calendar: Use GDateTime to select days
  97279bf... calendar: Return a GDateTime from get_date()

Commits added to the branch:

  833dbcd... calendar: Remove spinning code
  2fb1ad2... calendar: Try to avoid changing size when changing the year
  1351b7e... calendar: Use widgets for everything
  9613d9c... calendar: Use GDateTime to select days
  25dec2e... calendar: Return a GDateTime from get_date()