Adwaita: dim menu checks/radios a bit
menubutton: dismiss menu/popover when toggling programmatically

https://bugzilla.gnome.org/show_bug.cgi?id=735545
Adwaita: bring the separator back for dialog buttons

- separators got nuked during lapo's border cleanup
GtkDialog: Keep special-casing help buttons

We used to move help buttons to the secondary position regardless
how they were added to the action area. Keep doing that, to avoid
breaking existing dialogs that rely on this behavior.

https://bugzilla.gnome.org/show_bug.cgi?id=735119
GtkHeaderBar: Update separator visibility when needed

We need to be a little more forthcoming with showing and hiding
the separators - their visibility now depends on the the visibility
and pack type of the regular headerbar children. This was observed
in gnome-contacts, where headerbar buttons are shown and hidden.
Add a release note about X without render

This reflects the findings in
https://bugzilla.gnome.org/show_bug.cgi?id=735294
Adwaita: pathbar whitespace

- optically center icons + labels vertically. It isn't actually
  centered, but feels more balanced
- add some left/right padding

https://bugzilla.gnome.org/show_bug.cgi?id=734753
GtkAboutDialog: Support https in links

https://bugzilla.gnome.org/show_bug.cgi?id=680067
Adwaita: avoid text in buttons being overridden by GtkLabel style
Adwaita: style GtkLabel.separator

Fixes gnome-document search popup titles.
Adwaita: titlebutton are flat image-buttons

Hence treat them like those, a bunch of special case styling
removed, which also doesn't override selection mode buttons
styling.
Bump wayland dep to 1.5.91

This release has the new key repeat listener that we are using.
Adwaita: no edge hilight for checks and radios in list-rows
GtkAboutDialog: Add formatting examples to the docs

We were not very explicit about the expected format for links
and email addresses in the strings, so give some explicit examples.
Move gtkthemingengine to deprecated directory

This is the place for wholly-deprecated sources.
Updated POTFILES.in
Trivial formatting fix
Don't return from a void function

And don't return the value of void functions, either.
treeview tests: Add bug references
treeview tests: Clean up after each test

It is not good form to leak in testcases.