[glib] (7 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:

  883c0b8... registrybackend: minor style cleanup
  81e298e... registrybackend: get whether a backend is writable or not
  3f78bc2... registrybackend: use ptr_array_new_with_free_func
  87ed47f... registrybackend: close the key only if successfully opened
  8142248... registrybackend: handle writability notifications

Commits added to the branch:

  ec173eb... application: Fix annoation of g_application_add_option_grou (*)
  d268d9f... socket: Fix annotation of g_socket_receive_message (*)
  9098a7f... registrybackend: minor style cleanup (*)
  bf3f827... registrybackend: use ptr_array_new_with_free_func (*)
  5cc997f... registrybackend: close the key only if successfully opened (*)
  7146dca... registrybackend: get whether a backend is writable or not
  82bc5d2... registrybackend: handle writability notifications

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