[Rivet] Leading neutrinos?

[David Grellscheid]

> Obviously it's something that is decided by the experiment which you get 
> your measurement from, so not something that *we* (i.e. Rivet) have to 
> debate ;)

As a default for ATLAS analyses that can become a projection, I meant. I 
really don't want to have to code the same algorithm over and over for 
each ATLAS analysis.

   David