Don't round corners of tiled windows
Don't round corners of tiled windows

A tiled window should completely fill its half of the screen.
Rounded corners are unexpected here. GTK+ 3.11 sets style classes
to identify tiled and maximized windows, use those.

Distrotech/gnome-themes-standard,DoctorJellyface/gnome-themes-standard,Distrotech/gnome-themes-standard,DoctorJellyface/gnome-themes-standard