[mutter] (3 commits) Non-fast-forward update to branch wip/garnacho/wayland-extra-scroll-events

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/garnacho/wayland-extra-scroll-events' 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:

  637e3d7... wayland: Implement wl_pointer.axis_source/axis_stop/axis_fr

Commits added to the branch:

  dd5a4ec... wayland: Store key press/release serials on MetaWaylandKeyb (*)
  a5d2555... wayland: Make it possible to trigger popups through pointer (*)
  d886cb3... wayland: Implement wl_pointer.axis_source/axis_stop/axis_fr

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