Update net/mpich2 to version 1.3.2.p1_2,5
Update math/blacs to version 1.7_15
Update cad/scotch to version 5.1.12.b.e_1
Tweak graphics/ethumb version 1.7.8
Update science/fvm to version 0.15.3_2
Update math/scalapack to version 1.8.0_6
Tweak emulators/dosbox version 0.74_5
Tweak comms/hylafax version 6.0.6