[dev] Updating docs/HELP

[Anil Madhavapeddy]

Jon Parise wrote:
>
> Can someone take a few minutes and update imp/docs/HELP?  It's
> really out of date.  Perhaps it should be split up and partially
> moved to horde/docs/, too.

We should probably decide now actually: do we want to auto-generate this
from the XML docs module?  Most of what we need to do this is already in
place.

That may be a good way to go, because the same instructions could be
rendered out as PDF, PHP or whatever else - all the usual advantages.

Anil