quvi_0.9_support.mdwn

quvi 0.9 has a completely different interface; git-annex needs to be made
to detect and use it.

I have already fixed the worst problem, which caused git-annex addurl to
think that every url was a valid quvi url. --[[Joey]]

> [[done]], 0.9 is supported, although the version is detected at build
> time. --[[Joey]]