[libadwaita] (15 commits) Non-fast-forward update to branch wip/exalm/recoloring

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/recoloring' 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:

  d16b11f... stylesheet: Don't darken rubberband color
  652125e... stylesheet: Use drag-n-drop color consistently
  eb08e7b... stylesheet: Don't override menu color for HC
  0b9d3f1... stylesheet: Drop $top_hilight
  97dda56... stylesheet: Use the focus-ring() mixin for labels
  f9617fc... stylesheet: Nest label styles
  eae30eb... Recoloring
  32ccba2... Add an animation demo

Commits added to the branch:

  8e7ef84... carousel: Better check the child is correct in remove() (*)
  8933b82... Harden remove() methods (*)
  5e10ed2... Log a critical error when trying to remove a non-child (*)
  33aa6c5... stylesheet: Don't darken rubberband color (*)
  f26de3e... stylesheet: Use drag-n-drop color consistently (*)
  81af658... stylesheet: Don't override menu color for HC (*)
  4aa45c0... stylesheet: Drop $top_hilight (*)
  07dec07... stylesheet: Use the focus-ring() mixin for labels (*)
  aa27a61... stylesheet: Nest label styles (*)
  7f5206b... stylesheet: Rename menu_* colors to view_* (*)
  7b88959... stylesheet: Extract trough colors into variables (*)
  20985d2... stylesheet: Extract fill colors (*)
  3435bad... stylesheet: Extract slider colors (*)
  29f6f30... Recoloring
  ea80c68... Add an animation demo

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