[glib] (4 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:

  822b735... registrybackend: handle readability of the keys
  63f2642... registrybackend: get whether a backend is writable or not
  f0dc75d... registrybackend: handle writability notifications

Commits added to the branch:

  7161d70... registrybackend: remove useless get_permission override (*)
  7bc4c66... registrybackend: handle readability of the keys
  74b0050... registrybackend: get whether a backend is writable or not
  22b570c... registrybackend: handle writability notifications

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