[Dune] Flyspray spammer

[Christian Engwer]

Hi Ansgar,

> As flyspray now seems completely unmaintained, maybe Dune should switch
> to another bug tracker sometime in the future? Though I doubt this is
> much fun to do...

do you have a good alternative. When we installed flyspray, we decided
not to use bugzilla, as it was nightmare to use; and I still think so.

We might try moving the bugs to redmine, or decide on something
completely different.

Christian