[mutter] (7 commits) Non-fast-forward update to branch wip/smcv/issue1414

[Jonas Ådahl <jadahl src gnome org>]

The branch 'wip/smcv/issue1414' 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:

  bd3fe13... input-mapper: Don't match touchscreens to the absence of a 

Commits added to the branch:

  ecdf306... Update Italian translation (*)
  a99a272... Update British English translation (*)
  d338e5e... Update Latvian translation (*)
  7d82245... cogl/renderer: Set error in dmabuf constructor fallback (*)
  6c04406... screen-cast: Enable DMA buffers only for i915 (*)
  af9df1e... screen-cast: Add 'dma-buf-screen-sharing' experimental feat (*)
  e74b065... input-mapper: Don't match touchscreens to the absence of a 

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