Requires flatpak 1.0 or newer

- Make all menus and shortcuts use the 'app.browse-history' action
- HistoryWindow: Inherit from Gtk.ApplicationWindow

- Show orange warning icon if a field is required
- Show red error icon if validation of the field failed
- Set validation error text as tooltip of the icon
- DataFormWidget emits a signal 'is-valid' on every change

like
The "flags" argument for dialog construction is deprecated. Please use initializer keywords: modal=True and/or destroy_with_parent=True.
or
Using positional arguments with the GObject constructor has been deprecated. Please specify keyword(s) for "title, transient_for, flags" or use a class specific constructor.

See: https://wiki.gnome.org/PyGObject/InitializerDeprecations

- Rename get_pep_as_pixbuf to get_pep_icon

- Complete rewrite of the dialog
- Use new DataFormWidget

This also makes it possible to get windows by an account/jid combination

https://github.com/pypa/setuptools/issues/1062

- A option dict can be passed which controls how the DataForfWidget looks
- Analyse the field label lengths and adjust the label justification (left/right)

- Use icon names for Tune and Location notifications
- Use None instead of an empty pixbuf when there is no data