bug#6815: 23.2; no key binding in *vc-dir* for stash commands

[Dan Nicolaescu]

Tom Tromey <tromey@redhat.com> writes:

> *vc-dir* shows the git stash but offers no key bindings for manipulating
> it.  I had to enable the menu bar to find out what was available.

There are some key bindings, but they are only active when the point is over a 
stash.
(tooltips over the stash show what's available).

Should vc-git-stash  and vc-git-stash-snapshot have key bindings in *vc-dir*?

Ideas (and patches) on how to improve the UI are more than welcome!