[gnome-games] (8 commits) Non-fast-forward update to branch wip/exalm/spinner

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/spinner' 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:

  6e984a7... ui: Add loading state
  832ba66... ui: Use loading state instead of loading notification
  3a55ae1... ui: Remove loading notification
  fc7a203... fixme: A hack for crossfade

Commits added to the branch:

  08412d7... application-window: Wrap titlebar into a HdyTitleBar
  f7af8c3... ui: Apply devel style to HdyTitleBar instead of headerbars
  ac445bf... ui: Add loading state
  3c0780e... ui: Use loading state instead of loading notification
  a409614... ui: Remove loading notification
  cc50147... fixme: A hack for crossfade
  6ecac66... sidebar-view: Add existing items when changing model
  49ee0a4... application-window: Bind model only after loading