view-generic: Add support for sort models as well
view: Add support for sort models as well
two-lines-renderer: Add "subtitle" class to 2nd line
two-lines-renderer: Apply font sizes to the 2nd line

So that they are smaller with the latest Adwaita master.
two-lines-renderer: Split out applying the subtitle style
two-lines-renderer: Fix subtitle not being centered

When we were calculating the text's sizes and coordinates,
we didn't apply the subtitle style to the 2nd line's Pango layout,
leading to the subtitle being placed as if it was normal sized.
tagged-entry: Add method to get tag's position

This is necessary to get GtkPopovers pointing to the tag, rather
than the entry altogether.

https://bugzilla.gnome.org/show_bug.cgi?id=723030