[rpmfusion-free-appstream-data] (3 commits) ...Regenerate and update for f26

[Ankur Sinha]

Summary of changes:

  5913c97... Regenerate and udpate appstream data (*)
  639ceec... Add weak dep on appstream data (*)
  fe33b9e... Regenerate and update for f26

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