Use geoclue service to obtain longitude and latitude data. Reverse
geocoding with geocode-glib provides country code. With this info we
query a city location in the libgweather database. The found location
appears automatically in the main view if no other locations within the
same country and timezone are present.

https://bugzilla.gnome.org/show_bug.cgi?id=702403

This is not shown yet, but Aruna is working on the docs so it would be
good to have this translated once they are ready

https://bugzilla.gnome.org/show_bug.cgi?id=703384

This has also the side effect of properly showing those times in RTL
locales and respecting AM/PM since we now take care of the formatting.

This does not trigger a scrollbar when at the min size

https://bugzilla.gnome.org/show_bug.cgi?id=707268

This is to follow the new design for Content Selection Pattern.

https://bugzilla.gnome.org/show_bug.cgi?id=706819

Fix https://bugzilla.gnome.org/show_bug.cgi?id=706812