[gnome-games] (28 commits) Non-fast-forward update to branch wip/exalm/platform-preferences

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/platform-preferences' 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:

  df022b7... core: Add compare() to Platform
  8ebd421... core: Add PlatformRegister
  15359b9... ui: Register platforms for libretro simple types
  1b41aa6... plugin: Add get_platforms()
  7568203... ui: Register plugin platforms
  cda3d98... plugins: Register platforms
  0c1c598... preferences-page: Add 'title' property
  e17017e... preferences-window: Add pages programmatically

Commits added to the branch:

  d544844... ui: Remove separator and titlebar libhandy styles (*)
  2bac7c1... gamepad-view: Fix gamepad svg loading with old librsvg (*)
  8abad46... game-thumbnail: Implement height-for-width sizing (*)
  23d7f38... game-icon-view: Remove 'size' property (*)
  7187056... game-icon-view: Fill the entire width (*)
  4177bf3... collection-icon-view: Set children size via CSS (*)
  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 (*)
  07a2430... platform: Add compare()
  8c71f27... core: Add PlatformRegister
  a10b48d... application: Register platforms for libretro simple types
  0a2671b... plugin: Add get_platforms()
  8fa308c... application: Register plugin platforms
  2b48e65... plugins: Register platforms
  df431aa... ui: Add PreferencesPageCategory
  9848950... preferences-page: Add 'category' property
  3e6da63... preferences-sidebar: Add header function
  b8a5052... ui: Add PreferencesPageDummyPlatform
  432241a... f
  0ceeef7... platform: Add get_preferences()
  8575dee... preferences-window: Add platform pages
  c2aa91d... preferences-window: Increase sidebar width

(*) This commit already existed in another branch; no separate mail sent