bug#8615: Please make sure v q removes the buffer for JPGs just like it does for other files

[Chong Yidong]

Lars Magne Ingebrigtsen <larsi@gnus.org> writes:

> If having `view-mode' not being able to work in `special' modes (I don't
> know why that is, but there's probably a reason?), then the `v' Dired
> command could just bind the `q' command explicitly in all `special'
> modes.
>
> That is, it'd start the a tiny `dired-view-mode' in `special' modes,
> where the only command it would bind would be `q'.

I prefer a more limited fix: bind `q' in Image mode to a command that
kills the buffer.  Better still, add an option to bury instead of kill.