[glib] (3 commits) Non-fast-forward update to branch wip/nacho/registry-writable

[Ignacio Casal Quinteiro <icq src gnome org>]

The branch 'wip/nacho/registry-writable' 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:

  1a797d6... registrybackend: handle writability notifications

Commits added to the branch:

  63b0f10... registrybackend: another cleanup creating a registry cache  (*)
  19fd89f... registrybackend: avoid adding a new child when we return th (*)
  fdf63cf... registrybackend: handle writability notifications

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