[gtk] (30 commits) Non-fast-forward update to branch teardown-cleanup-2

[Matthias Clasen <matthiasc src gnome org>]

The branch 'teardown-cleanup-2' 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:

  20147aa... testsuite: Enable the remaining template tests
  edc4bda... treeview: Break reference cycles on unrealize

Commits added to the branch:

  df08387... csscalcvalue: Avoid allocating memory in compute() (*)
  b25f93e... Make dimension values and calc values just number values (*)
  24608d5... gtkarray: Fix a typo (*)
  75cfe3c... gtkarray: Create GPtrArray in insert() if we have to (*)
  f38bbb9... gtkarray: memcpy() directly into the GPtrArray (*)
  e12c9de... csstransiton: Save finished state (*)
  06460ea... css: Drop a few dynamic type checks (*)
  57444f7... testtreeview: Properly annotate a switch fallthrough (*)
  1b10020... css: Make GtkStyleAnimation and subclasses non-objects (*)
  343707e... stylecontext: Remove some unused private API (*)
  2455978... widget: Move {dis,}connect_frame_clock into their only call (*)
  cbbbf44... cellrenderertoggle: Replace save_named with a css node (*)
  bcdd6d5... printunixdialog: Use two "paper" css nodes (*)
  6566fdc... scrolledwindwo: Add a permanent junction node (*)
  343d294... stylecontext: Remove _save_named (*)
  d015b1b... scrolledwindow: Always keep the main child first (*)
  b98ad54... gl renderer: Only destroy shader programs with ids > 0 (*)
  52ae384... gl shaders: unify frag coord handling (*)
  edc31a2... widget: Add a :focusable property (*)
  46bad5d... widget: Fix gtk_widget_focus_all for !focusable (*)
  b936311... Remove lots of focus vfuncs (*)
  6372a33... Clarify docs around focus. (*)
  5c4ca14... Fix build issue due to missing VK_RESULT_RANGE_SIZE (*)
  4cc21f1... Merge branch 'aperezdc/vk-result-range-size' into 'master' (*)
  bb8fa04... Merge branch 'focusable-property' into 'master' (*)
  9f3fb69... Merge branch 'matthiasc/for-master' into 'master' (*)
  2d97357... Update Ukrainian translation (*)
  3299942... Merge branch 'wip/baedert/for-master' into 'master' (*)
  d061bca... treeview: Break reference cycles on unroot
  b8c5bf8... testsuite: Enable the remaining template tests

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