[mutter] (32 commits) Created branch wip/xwayland-on-demand

[Jonas Ådahl <jadahl src gnome org>]

The branch 'wip/xwayland-on-demand' was created.

Summary of new commits:

  88b5580... Add MetaX11Display skeleton
  1d97da1... Start populating MetaX11Display
  2d0a1b8... Switch meta_error_trap functions to MetaX11Display
  a72a238... Move X11 extension queries to MetaX11Display
  a2d13e7... Move screen size and cursor setting to MetaDisplay
  b157d34... Move alarm and xids management to MetaX11Display
  3974925... Move groups and window/group prop hooks to MetaX11Display
  467a6fa... Move stack tracking and guard_window outside of MetaScreen
  90826dd... Move X11 helper windows and xprops to MetaX11Display
  b24136d... Move X11 event, icon cache and property handling to MetaX11
  38a8559... Move rest of non-X11 specific objects from MetaScreen
  383f2ed... Move MetaScreen monitor API to MetaDisplay
  f53a605... Move xinerama management to MetaX11Display
  773aab9... Move mouse window tracking to MetaDisplay
  e0105ee... Move UI and key grabs to MetaX11Display
  91c9d51... Move workspace handing to MetaDisplay/MetaX11Display
  046712a... Stop using MetaScreen where it is unnecessary
  6c0e889... Get rid of MetaScreen
  4c40b75... Prepare for making MetaX11Display conditional
  c0e6128... Make workspace management work without X11
  e2c02c6... Make bell and libstartup-notification bits work without X11
  d2c2fe6... Move workarea hint setting to MetaX11Display
  703f05f... Make stack tracker work without X11
  6ff46b5... Don't use gtk_settings callback to set shell_shows_app_menu
  7515c80... Split GDK initialization from MetaUI
  9a405fb... Fix XDND handling to work without GDK and MetaX11Display
  1838ec0... Use MetaMonitorManager insted of MetaDisplay where possible
  7d2ef2d... Add --no-x11 flag so mutter wayland can be started without 
  25c9ce2... Rename errors.[ch] to meta-x11-errors.[ch]
  26dde9d... Add MetaWorkspaceManager skeleton
  114bfc0... Move workspace related code from MetaDisplay to MetaWorkspa
  25fd9e0... Fix cursor size update on non-wayland