[gnome-shell] (12 commits) Non-fast-forward update to branch wip/carlosg/cleanup-gtk-usage

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/cleanup-gtk-usage' 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:

  74908cd... keyboard: Drop GDK API usage
  6904471... js: Drop unused Gdk/Gtk imports
  7b25c3b... shell: Drop some unused headers and Gdk variables
  358429d... modalDialog: Do not sync display here
  192bbbc... overview: Do not warp pointer to fake crossing event
  394af8a... environment: No need to set Gdk version
  82ddcb2... st: Add StPolicyType enum
  e430d5e... st: Add StDirectionType enum
  2e1ad13... dnd: Use GSettings instead of GtkSettings
  c445331... tweener: Use GSettings instead of GtkSettings
  0cd06a8... main: Use GSettings instead of GtkSettings
  9a7ce18... st-texture-cache: Use GtkIconTheme separate from GTK+

Commits added to the branch:

  b42345c... keyboard: Drop GDK API usage
  09d33ef... js: Drop unused Gdk/Gtk imports
  6f1561f... shell: Drop some unused headers and Gdk variables
  0688fe9... modalDialog: Do not sync display here
  3e99aa6... overview: Do not warp pointer to fake crossing event
  a3fa939... environment: No need to set Gdk version
  dac9e46... st: Add StPolicyType enum
  e91712f... st: Add StDirectionType enum
  878aa95... dnd: Use GSettings instead of GtkSettings
  fd02cfb... tweener: Use GSettings instead of GtkSettings
  7061bc9... main: Use GSettings instead of GtkSettings
  04e2463... st-texture-cache: Use GtkIconTheme separate from GTK+