[gtk+] (10 commits) Non-fast-forward update to branch wip/matthiasc/font-variations

[Matthias Clasen <matthiasc src gnome org>]

The branch 'wip/matthiasc/font-variations' 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:

  10e18b1... Some initial support for font variations
  6e893cb... Add a font variations demo
  b12b8af... Redo the features part of the font features demo
  94da522... Add another fun demo
  1799df9... Add new defines to config.h.meson
  f975106... fontchooser: Small revision of the UI
  97536ec... Implement font-variation-settings
  9fdcc4f... font button: Take variations into account

Commits added to the branch:

  22f9562... Implement font-feature-settings (*)
  495d00e... Fix a mis-merge (*)
  10eb5c9... Some initial support for font variations
  5f466a4... Add a font variations demo
  5a2d4af... Redo the features part of the font features demo
  3a3b8f8... Add another fun demo
  ce59245... Add new defines to config.h.meson
  72516c6... fontchooser: Small revision of the UI
  bc712a6... Implement font-variation-settings
  a1c03c5... font button: Take variations into account

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