[gtk] (48 commits) Non-fast-forward update to branch wip/carlosg/for-master

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/for-master' 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:

  a41d072... gtkpopover: Revert focus to parent on hide()

Commits added to the branch:

  68379c3... Adwaita: Simplify stackswitcher button styling (*)
  dc3b140... Cosmetics (*)
  ffb51b6... Require gtk-doc 1.33 (*)
  4d90259... Use gtk-doc from master (*)
  f4bfa16... Update the release script (*)
  c43d535... docs: Fix a copy-paste error (*)
  3cf8904... Add GTK_INPUT_HINT_PRIVATE (*)
  c9f3034... gdk: Remove an unused variable (*)
  f6bd2f4... Add a test for gsk_gl_shader_compile (*)
  da8ee53... emojichooser: Allow inserting multiple Emoji (*)
  68ae850... Merge branch 'stackswitcher-button-styling' into 'master' (*)
  9033336... css: Move _gtk_css_print_string around (*)
  a9809b0... Allow inserting newlines in css strings (*)
  19d760f... gtk-demo: Fix a typo (*)
  949f22b... Merge branch 'matthiasc/for-master' into 'master' (*)
  279d3c0... gtk-demo: Rename the transition shader files (*)
  cef1cd1... gsk: Avoid long lines in serialized nodes (*)
  5640208... node-editor: Don't insert hyphens (*)
  ff7bcf7... colorbutton: Properly override interface properties (*)
  9fdb71c... icontheme: Add a missing getter (*)
  38bd443... directorylist: Drop the item-type property (*)
  1b1bf6c... text: Add some missing setters and getters (*)
  9d0d4ce... Cosmetics (*)
  60b1b46... spinbutton: Add some missing accessors (*)
  d0b7a4a... testsuite: Add a test that checks for property accessors (*)
  ac79c0e... textbuffer: Improve some get_iter apis (*)
  6e594da... Merge branch 'matthiasc/for-master' into 'master' (*)
  9a2faf2... widget-factory: Enable emoji completion somewhere (*)
  a428456... Fix Emoji completion (*)
  4444801... emoji: Some work on the conversion tool (*)
  ed724eb... emoji: Add keywords to the data (*)
  1d9d5fc... Do case-folding and tokenization when creating emoji.data (*)
  7ef5921... Emoji: Drop the shortname field from emoji.data (*)
  452c909... Redo the handling of Emoji data (*)
  8ca612c... scale: Make draw-value default to FALSE (*)
  9007d15... Merge branch 'matthiasc/for-master' into 'master' (*)
  cb833d5... Merge branch 'emoji-data-cldr' into 'master' (*)
  5d5625d... Update script names to Unicode 13 (*)
  bea3bc5... Update the copy in gtk-demo too (*)
  34f33b3... Prevent a crash with script names (*)
  5d26d11... gtk-demo: Add a column view demo (*)
  2b03674... Merge branch 'matthiasc/for-master' into 'master' (*)
  6156c35... NEWS: Updates (*)
  24a27ba... gl renderer: Fix up texture cache key (*)
  74d9976... gtk-demo: Fix up the Characters demo (*)
  6b0c65c... Merge branch 'matthiasc/for-master' into 'master' (*)
  aaab461... Merge branch 'fix-texture-cache' into 'master' (*)
  851a434... gtkwidget: Revert focus to parent on hide()

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