[gnome-shell] (18 commits) Non-fast-forward update to branch wip/fmuellner/hicontrast-cleanup

[Florian Müllner <fmuellner src gnome org>]

The branch 'wip/fmuellner/hicontrast-cleanup' 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:

  6fc8a70... a11y: Don't set WM theme

Commits added to the branch:

  b10606e... keyboard: Drop GDK API usage (*)
  208c551... js: Drop unused Gdk/Gtk imports (*)
  0fdfebd... shell: Drop some unused headers and Gdk variables (*)
  82c7090... modalDialog: Do not sync display here (*)
  23c3f3f... overview: Do not warp pointer to fake crossing event (*)
  0f799ae... environment: No need to set Gdk version (*)
  a977c13... st: Add StPolicyType enum (*)
  c59c5eb... st: Add StDirectionType enum (*)
  fef2bac... st: Add StSettings object (*)
  81c4c23... dnd: Use StSettings instead of GtkSettings (*)
  91d73d6... tweener: Use StSettings instead of GtkSettings (*)
  f02033a... main: Use StSettings instead of GtkSettings (*)
  036e670... st-texture-cache: Use GtkIconTheme separate from GTK+ (*)
  df3068d... st: Use StSettings for enable-animations check (*)
  8647922... st: Use StSettings for primary-paste setting (*)
  36f9147... extensionPrefs: Add blank state (*)
  43a1973... extensionPrefs: Improve error UI (*)
  c47e672... a11y: Don't set WM theme

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