; Touch-ups for new window-x.el

; Touch-ups for new window-x.el

* lisp/window-x.el: Autoload commands, provide feature.
(window-tree-normal-sizes): Improve docstring.
(window--window-to-transpose, window--depmap): Remove.
(window--rotate-interactive-arg): New function.
(rotate-window-layout-anticlockwise): Rename to...
(rotate-window-layout-counterclockwise): ...this.
(rotate-window-layout-clockwise)
(flip-window-layout-horizontally)
(flip-window-layout-vertically, transpose-window-layout)
(rotate-windows-back, rotate-windows, window--transpose)
(window--transpose-1): Cosmetics.