[Rivet] installation

[David Grellscheid]

> Right now, all people I talked to (Jeppe, Marek, Frank S, 
> Steffen - should I make this a larger poll?) 

Please do, because I certainly have heard _not a single report_ from
anyone on that list about any major problems with version 2. Private
grumbling is all fine, I do that often enough myself, but don't expect
the developers to magically know what's wrong.

  David