[gnome-boxes] (6 commits) Non-fast-forward update to branch modal-window-groups

[Felipe Borges <felipeborges src gnome org>]

The branch 'modal-window-groups' 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:

  151e591... app-window: The toplevel window should be in window group

Commits added to the branch:

  db5d242... build: Make oVirt support optional (*)
  855f789... Update Chinese (Taiwan) translation (*)
  d52737c... Update Galician translation (*)
  8b2b0c5... Update German translation (*)
  a1b5f9f... properties-window: Support "application/x-raw-disk-image" i (*)
  cc93da4... app-window: The toplevel window should be in window group

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