[mutter] (10 commits) ...clutter/main: Simplify thead lock handling

[Florian Müllner <fmuellner src gnome org>]

Summary of changes:

  5bd85ef... clutter/main: Remove shader stack (*)
  ad220fc... clutter/main: Remote global motion event handling (*)
  6b853ff... clutter/main: Remove clutter_clear_glyph_cache (*)
  7419ab7... clutter/main: Remove ClutterFontFlags and family (*)
  b86a67c... clutter/main: Remove clutter_redraw (*)
  25376b3... clutter/main: Remove clutter_get_show_fps (*)
  7d96741... clutter/main: Remove various deprecated thread functions (*)
  65c5260... clutter/main: Remove deprecated input device functions (*)
  5ed9abd... clutter/main: Remove the rest of deprecated functions (*)
  b0b1ff3... clutter/main: Simplify thead lock handling (*)

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