Rough pV3 (http://raphael.mit.edu/pv3/pv3.html) interface. No support for

grid adaptivity or on-line visualization.

UG:

    ugonf PV3 + uncomment '#define _PV3' in ppif/MPI/ppif.c + ...

Script:

    pv3scal $k <key> $T <title> $ns <eval> $s <sol> $f <from> $t <to>
    pv3vect $k <key> $T <title> $nv <eval> $s <sol> $f <scale>
    ...
    pv3plot

Start (speedo):

    crun -p <prog> -n <n> -v

[[Imported from SVN: r7282]]