[libadwaita] (2 commits) Non-fast-forward update to branch wip/exalm/tabs

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/tabs' 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:

  71682e5... tab-view: Add shortcut management API

Commits added to the branch:

  e9a9b9b... demo: Remove margin from the entry style flowbox (*)
  b07a1c3... tab-view: Add shortcut management API

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