[Nek5000-users] coarse solver iteration count

[Paul Fischer]

I think we should lower the default coarse grid solve iteration
count to max of 100.

In general, it's not too bad if it fails to converge.  The code will 
typically get the velocity projected onto a div-free space within a 
few steps anyway.   However, if it takes interminably long to solve
the pressure than one can't know if the code has hung or is just
iterating away.

Thoughts?