[glade] (5 commits) Non-fast-forward update to branch tintou/listbox-placeholder

[Alberto Fanjul <albfan src gnome org>]

The branch 'tintou/listbox-placeholder' 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:

  569efd3... Allow to specify placeholder to GtkListBox
  d1a1079... Remove added widgets if placeholder is disabled

Commits added to the branch:

  7e20264... Appdata: update app-id (*)
  ddcb64d... gladeui: Change the boolean parsing logic to be the same as (*)
  3512d2e... gtk+: Allow to use GtkResponseType with GtkDialog and GtkIn (*)
  116e663... Allow to specify placeholder to GtkListBox
  110b4fd... Remove added widgets if placeholder is disabled

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