[gnome-games] (8 commits) Non-fast-forward update to branch wip/exalm/libhandy2

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/libhandy2' 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:

  afe96cb... preferences-page: Add 'title' property
  ca25fef... ui: Add PreferencesSidebarItem
  b1b5e4f... ui: Add PreferencesSidebar
  af45774... preferences-window: Use PreferencesSidebar for sidebar
  e435a44... preferences-window: Don't show menu in headerbar
  5db5fe0... preferences-window: Add back button
  0b7d8a0... preferences-window: Wrap into HdyLeaflet

Commits added to the branch:

  45fc128... preferences-page: Add 'title' property
  dd282ff... ui: Add PreferencesSidebarItem
  1763ad2... ui: Add PreferencesSidebar
  72cc450... preferences-window: Use PreferencesSidebar for sidebar
  d75bc2a... preferences-window: Drop page child properties
  241aebb... preferences-window: Don't show menu in headerbar
  6d0006d... preferences-window: Add back button
  3b84145... preferences-window: Wrap into HdyLeaflet