version 4: Retrieve GPG keys asynchronously.

[David Bremner]

Daniel Kahn Gillmor <dkg at fifthhorseman.net> writes:

> In id:87blw1rldy.fsf at tethera.net, bremner identified two of my edits
> breaking dme's series that permits asynchronous retrieval of OpenPGP
> keys.
>
> This is a revision of that series that should apply to the current
> master, taking into account my earlier fixes.
>
> dme, if you could review i would appreciate it.  I think i've done
> what you would have done, but as usual my elisp skills are weaker than
> yours, so i welcome your feedback.  The test suite passes for me at
> least :)
>
> Sorry for contributing to the collision earlier!
>

Series merged to master

d