[gnome-boxes] (2 commits) Non-fast-forward update to branch offer-rolling-releases-for-download

[Felipe Borges <felipeborges src gnome org>]

The branch 'offer-rolling-releases-for-download' 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:

  9b0e6f6... os-database: Include rolling releases as Downloadable

Commits added to the branch:

  0dfeba1... osinfo: Add NixOS logo (*)
  18b0017... os-database: Include rolling releases as Downloadable

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