[mutter] (55 commits) Non-fast-forward update to branch wip/carlosg/xdg-activation

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/xdg-activation' 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:

  ae3ba35... build: Add support for "staging" wayland protocols
  54331ec... build: Add xdg-activation to build
  f3356f2... core: Add ::timeout signal to MetaStartupSequence
  0411935... wayland: Implement the xdg-activation protocol

Commits added to the branch:

  64c9c9c... clutter: Make stage capture support fractional scaling (*)
  e423653... xprops: Validate text properties that claim to be UTF8 (*)
  b03ccff... xwayland: Check the condition on displayfd ready (*)
  4a05753... remote-desktop: Close sessions on prepare-shutdown (*)
  f254f17... Update Occitan translation (*)
  f5d72a8... Update Slovenian translation (*)
  faf4240... Tag release 40.1 (*)
  1dd0379... Post-release version bump (*)
  14063af... Update Nepali translation (*)
  25e2839... screencast: Fix transform_position(), when using fractional (*)
  62ef293... main: Let session management code deal with DESKTOP_AUTOSTA (*)
  9cd99ee... main: Move away debug flag management to util.c (*)
  f677e0c... display: Make the display handle its own prefs handlers (*)
  6c1793b... Rename MetaDisplayPolicy to MetaX11DisplayPolicy (*)
  270f1cf... tests/runner: Check compositor type instead of X11 policy (*)
  c9992a2... main: Initialize Wayland just before MetaDisplay (*)
  89053cc... display: Make meta_display_open() report errors (*)
  6558d43... main: Let the X11 CM backend deal with selecting the displa (*)
  7b390b4... display: Don't have the display meta_quit() when closing (*)
  af501ac... prefs: Make init function private (*)
  475296e... tests/clutter: Don't have tests take arguments (*)
  3bb6865... stage/x11: Fix clutter backend variable naming (*)
  c632980... x11/session: Remove #if 0:ed out declaration (*)
  b0a73f0... main: Move rect related macro to util-private.h (*)
  243dd86... main: Move grab op macro to relevant file (*)
  389432d... backend/x11-cm: Add missing chain-up to finalize() (*)
  18d670e... backends: Introduce MetaIdleManager (*)
  dcf953a... idle-monitor: Use G_DECLARE_FINAL_TYPE() (*)
  ebfeb10... egl: Fly-by indentation fix (*)
  5c77b64... egl: Add helper for eglBindWaylandDisplayWL (*)
  14eba8b... wayland: Bind Wayland EGL display ourselves (*)
  b578a53... clutter: Remove Wayland server helper (*)
  72f03e9... cogl: Remove ability to bind Wayland EGL display (*)
  5bc8823... xwayland: Don't fetch global when shutting down DND (*)
  d03c194... wayland/output: Use the passed compositor pointer (*)
  dc97163... xwayland: Pass MetaWaylandCompositor pointer when initializ (*)
  301d2c5... wayland: Make init and shutdown symmetric (*)
  f954ff8... backends/native: Disable KMS modifiers on "radeon" driver (*)
  4ed0583... wayland: Close pipe file descriptors after use (*)
  955eb64... Update French translation (*)
  e15b4b8... test-runner: Disconnect display-opened signal on destructio (*)
  7d88386... mutter-cogl.test: Use xvfb-run to run the cogl tests (*)
  14c8f5f... mutter-all.test: Run tests in a environment with display an (*)
  f390340... cogl/clip-stack-gl: Remove unused code: #define GL_CLIP_PLA (*)
  c3d64cc... cogl: Add new option COGL_DEBUG=stencilling to disable opti (*)
  5991f53... cogl/clip-stack-gl: Set glStencilMask correctly for clip re (*)
  216bb7f... cogl/clip-stack-gl: Set glStencilMask correctly for clip re (*)
  936696a... cogl/winsys-glx: Request 2 stencil bits (*)
  ea626a5... main: Avoid calling meta_wayland_compositor_get_default() o (*)
  dce3aa5... clutter/actor: Don't emit focus signals during destruction (*)
  e90d60e... build: Add support for "staging" wayland protocols
  e0d6cf1... build: Add xdg-activation to build
  fc53e95... core: Add ::timeout signal to MetaStartupSequence
  1760ac6... wayland: Implement the xdg-activation protocol
  927a6be... ci: Build wayland-protocols

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