Documentation for waf options

[Hal Murray]

> Where do you want to document it?  Is "./waf configure --help" sufficient?

I don't have a good suggestion.  It's the sort of detail that belongs in an 
overview section, but nobody ever reads those.

Do we have an overview section?

> (packaging/packaging.txt has several typos related to --build-epoch that I'll fix tonight)

Thanks.


-- 
These are my opinions.  I hate spam.