[Dune] 1.0!

[Christian Engwer]

> In grid-howto
> 
> This is BibTeX, Version 0.99c (Web2C 7.5.5)
> The top-level auxiliary file: grid-howto.aux
> The style file: plain.bst
> I couldn't open database file grid-howto.bib.bib
> ---line 220 of file grid-howto.aux
>  : \bibdata{grid-howto.bib
>  :                        }
> I'm skipping whatever remains of this command

I fixed the extension ... they should not be specified. Does the
problem still occur?

Christian