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- Print the stream header again
- Fix template button, it should not be translated

rather use no_show_all. This reduces flickering when we show the window

only keyword args should be used

- Use emoji data from a generated dict based on the offical unicode docs,
this makes it easier to update in the future
- Rewrite the emoji chooser
- Add a search field to the emoji chooser
- The emoji chooser is loaded async
- Update to current Unicode 11 Noto theme

- Save all Theme settings to .css instead of the config file
- Add a gajim-dark.css
- Refactor the ThemesWindow

GtkApplication maintains a store for all active ApplicationWindows,
we dont need to replicate that.

Philipp Hörist authored Aug 06, 2018 and Philipp Hörist committed Aug 06, 2018

- Port Preferences to Gtk.ApplicationWindow

Fixes #9277

- fix some pep8 warnings

- Move all xmpp Register methods into the register module

- Move register methods to own module