Improve shell window stacking ordering

[Philip Withnall]

On Mon, 2013-12-02 at 15:22 -0800, Kristian Høgsberg wrote:
> But we need to wait for Rafaels xdg-shell patches to land first.

How far away from landing are they?

Regardless of how far away they are, would it make sense to commit some
of the more self-contained patches from my patchset (such as patches #04
and #05) to avoid bit rot?

Philip