[mutter] (8 commits) Non-fast-forward update to branch wip/carlosg/input-in-backends

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/input-in-backends' 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:

  8a5fc68... backends: Don't use glib types in new X11 backend objects
  bbe036b... backends: Move nested stage to src/backends/x11/nested
  f8c5fcf... clutter: Drop unused function to translate to screen coordi
  660d91c... clutter: Drop functions to get XVisualInfo
  110f3a2... clutter: Move evdev input to src/backends/native
  929aa9d... backends: Don't use glib types in new native backend object
  718ff67... clutter: Move tests to src/tests
  6b4c74d... tests: Move clutter-test-utils.[ch] to src/tests

Commits added to the branch:

  d1c9692... backends: Don't use glib types in new X11 backend objects
  ebe65c7... backends: Move nested stage to src/backends/x11/nested
  7e534e4... clutter: Drop unused function to translate to screen coordi
  8ae615f... clutter: Drop functions to get XVisualInfo
  dae40f3... clutter: Move evdev input to src/backends/native
  c233913... backends: Don't use glib types in new native backend object
  e9fe179... clutter: Move tests to src/tests
  4ed215e... tests: Move clutter-test-utils.[ch] to src/tests