[gtk/matthiasc/for-master] (16 commits) ...modelbutton: Unify activation code paths

[Matthias Clasen <matthiasc src gnome org>]

Summary of changes:

  3a5fdfc... adwaita: Update app icon shadow (*)
  f47aba0... adwaita: Make popover border transparent (*)
  40c8d8b... adwaita: Use tabular figures where appropriate (*)
  c17aa12... adwaita: Don't style window menu button anymore (*)
  24e3556... adwaita: Remove a redundant -gtk-icon-shadow: none (*)
  059cc3b... video: Use more appropriate revealer transition (*)
  2f898e8... widget-factory: Align spinbutton in the list on page 2 (*)
  efe2186... widget-factory: Remove duplicate margin-start (*)
  6fc706f... icontheme: Don't free array element (*)
  e25cb8b... Merge branch 'matthiasc/for-master' into 'master' (*)
  2415c02... Merge branch 'wip/exalm/polish' into 'master' (*)
  962de8f... Merge branch 'gbsneto/array-clear-func' into 'master' (*)
  ddd113a... Annotate gdk_motion_event_get_history() correctly (*)
  56d3a79... Annotate gtk_text_child_anchor_get_widgets() correctly (*)
  7686b13... Merge branch 'ebassi/for-master' into 'master' (*)
  236fc57... modelbutton: Unify activation code paths

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