[gtk] (17 commits) Non-fast-forward update to branch wip/jimmac/menus-darker

[Jakub Steiner <jimmac src gnome org>]

The branch 'wip/jimmac/menus-darker' 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:

  e7b825d... Adwaita: darker selected menuitem + sidebars

Commits added to the branch:

  3a1b208... Do not depend on GLib API introduced after 2.66 (*)
  de7833b... Use the right GLib macros for version checking (*)
  505478b... Drop GLib dependency from GTK's declared dependencies (*)
  1f44319... Drop redundant dependencies (*)
  803b147... Disable deprecation warnings from GLib (*)
  fd3a629... Merge branch 'ebassi/glib-min-version' into 'master' (*)
  0a46bae... a11y: Turn critical warnings into debug messages (*)
  ef86e46... a11y: Cache the accessibility bus address (*)
  d7de720... Merge branch 'ebassi/for-master' into 'master' (*)
  b75b359... Drop devel styling from our windows (*)
  729f007... Merge branch 'no-more-devel-headers' into 'master' (*)
  7190a31... gdk/win32: fix integer overflow in monitor refresh rate cal (*)
  2e74426... Update Swedish translation (*)
  7b22c44... Merge branch 'fix-integer-overflow' into 'master' (*)
  1e99441... textview: fix precondition assertions (*)
  c84c014... Merge branch 'wip/chergert/for-master' into 'master' (*)
  399b457... Adwaita: darker selected menuitem + sidebars

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