Bug#551752: mpich2-doc: conflict with lam4-dev

[Pavan Balaji]

> fixed upstream). LAM (and I assume also OpenMPI) has a big advantage
> when it comes to debugging... you can start any command using mpirun,
> so you can also run "mpirun valgrind ./executable" for example.

I don't want to digress off topic, but just as an FYI, this should work
for all MPI implementations including MPICH2, LAM, OpenMPI, MVAPICH,
what-have-you.

 -- Pavan

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji