[gnome-boxes] (2 commits) Non-fast-forward update to branch dont-enumerate-unexisting-installer-medias

[Felipe Borges <felipeborges src gnome org>]

The branch 'dont-enumerate-unexisting-installer-medias' 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:

  323cef9... media-manager: Don't enumerate unexisting installer medias

Commits added to the branch:

  29bf434... help: Update the label for create new box button (*)
  5a66de3... media-manager: Don't enumerate unexisting installer medias

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