[gtk] (53 commits) Non-fast-forward update to branch wip/chergert/spellcheck

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/spellcheck' 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:

  45c0536... spellcheck: stub out spellcheck API

Commits added to the branch:

  28e33bc... Update Korean translation (*)
  e941e2b... gdksurface-win32.c: Fix window menu positioning (*)
  66f0547... docs: Fix the dependencies links (*)
  7c29847... build: Install the API references (*)
  7f292d3... Merge branch 'fix-3704' into 'master' (*)
  3252f1e... gsk: Give ngl its own shader sources (*)
  06d5c8e... ngl: Set color as vertex attribute (*)
  6a30c6b... ngl: Make the coloring shader more versatile (*)
  0ee6868... gtk-demo: Add a test for scrolling with Emoji (*)
  0b7d8e1... ngl: add front cache to reduce uniform changes (*)
  f97ce21... ngl: reintroduce comparison checks (*)
  ebe30d8... ngl: Identify shaders (*)
  3e1524f... Merge branch 'ngl-vertex-attributes' into 'master' (*)
  4fbc63f... readme: Fix broken doc links (*)
  de0860c... Merge branch 'pgriffis/readme-fixes' into 'master' (*)
  daed57c... Merge branch 'wip/chergert/fewer-uniforms' into 'master' (*)
  42dfc21... ngl: Fix up some debug printouts (*)
  3a928c8... textlayout: Render cursors at the end (*)
  e345f9a... textview: Fix blinking block cursors (*)
  9be2f13... textview: Fix blinking block cursors (*)
  1d773df... Merge branch 'ngl-textview-cursor' into 'master' (*)
  dda66d5... Merge branch 'ebassi/for-master' into 'master' (*)
  d2258fb... Update Norwegian Bokmål translation (*)
  0649473... ngl: Fix the coloring shader on GLES 2.0 (*)
  346b29a... Merge branch 'gles-coloring' into 'master' (*)
  52c7fd1... Updated Czech translation (*)
  f34c0f4... Update Polish translation (*)
  e6725aa... Update French translation (*)
  3408240... Update Finnish translation (*)
  29501f5... ngl: Fix up uniform enums (*)
  19e3a6a... ngl: Consistently use gsk_scaled_premultiply (*)
  233969e... ngl: Refactor gsk_ngl_render_job_visit_border_node (*)
  4aa570b... ngl: Drop gsk_ngl_render_job_set_color (*)
  3f60c39... ngl: Rewrite gsk_ngl_render_job_visit_text_node (*)
  c1f98d6... ngl: Improve the gradient shaders (*)
  8aac574... ngl: Improve the coloring shader (*)
  51074ca... ngl: Small shader improvements (*)
  ed3f001... ngl: Don't bother with uniform border nodes (*)
  28de2ee... ngl: Special-case css backgrounds (*)
  24ec2cc... Merge branch 'ngl-less-shaders' into 'master' (*)
  cfc91b6... window: Add a way to disable F10 shortcut (*)
  1fd534e... ngl: Remove duplicate check (*)
  e6adee2... Merge branch 'menubar-accel' into 'master' (*)
  afe195a... Update release script (*)
  cbda61d... 4.1.2 (*)
  97fad45... surface: Remove unused gdk_surface_get_unscaled_size() (*)
  dbd19bf... x11: Don't call _gdk_surface_update_size() all the time (*)
  a1c1ad3... Merge branch 'wip/otte/for-master' into 'master' (*)
  3daad8f... release-script: Actually compress the docs tarball (*)
  7201211... Update Italian translation (*)
  0a7af75... docs: Update annotations for WidgetClass.query_action() (*)
  ec0e76d... Merge branch 'issue-3757' into 'master' (*)
  f1a2ca8... spellcheck: stub out spellcheck API

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