[totem] (8 commits) Non-fast-forward update to branch wip/hadess/screenshot

[Bastien Nocera <hadess src gnome org>]

The branch 'wip/hadess/screenshot' 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:

  afe446a... gst: Use #pragma once in headers
  c22f465... gst: Add error-reporting to screenshot helper
  a4d886b... backend: Print errors taking screenshots
  ea760f8... gst: Import video conversion code from GStreamer
  ab63980... gst: Remove support for exporting non-raw frames
  c09b76e... gst: Remove support for cropping videos
  f9a07df... gst: Fix saving screenshots with a GL video sink

Commits added to the branch:

  efde212... ci: Work-around rawhide gettext problem (*)
  307ce47... gst: Use #pragma once in headers
  02a3856... gst: Add error-reporting to screenshot helper
  7a96b66... backend: Print errors taking screenshots
  83bb33a... gst: Import video conversion code from GStreamer
  610ca0e... gst: Remove support for exporting non-raw frames
  64f5876... gst: Remove support for cropping videos
  7bd7193... gst: Fix saving screenshots with a GL video sink

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