[Dune] IntersectionIteraror change.

[Robert Kloefkorn]

Hello Dune,

I will now start with the check in of the IntersectionIteraror changes.

If after check out something does not work, you can go back to revision
 2926, which is the version before I started with the checkin.

Regards,

R

-- 

  Robert Klöfkorn           <robertk at mathematik.uni-freiburg.de>

  Mathematisches Institut              Tel: +49 (0) 761 203 5631
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