[mutter] (9 commits) Non-fast-forward update to branch wip/carlosg/centralized-wacom-devices

[Jonas Ådahl <jadahl src gnome org>]

The branch 'wip/carlosg/centralized-wacom-devices' 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:

  8c51181... backends: Add MetaInputDevice derivable class
  45ff607... backends/x11: Drop internal WacomDevice lookups
  114909e... backends: Drop internal WacomDevice in MetaInputSettings

Commits added to the branch:

  1d20045... surface-actor: Fix memory leak (*)
  41130b0... surface-actor: Add culling offset for geometry scale (*)
  7fa7c2a... backends: use the enum name instead of a literal 0 (*)
  8592a85... wayland: Handle NULL preedit text (*)
  18b661c... backends: Add mapping function arg to settings_set_bool_set (*)
  ec1195e... backends: Fix configuration changes to tap[-and-drag] (*)
  1f00aba... backends: Add MetaInputDevice derivable class
  3b88af9... backends/x11: Drop internal WacomDevice lookups
  d052f9c... backends: Drop internal WacomDevice in MetaInputSettings

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