Prune science/minc2
Prune science/minc
Prune science/mpb
Tweak graphics/freeimage version 3.15.4_3
Update devel/ocaml-extlib to version 1.6.1
Update comms/py-serial to version 2.7
Tweak devel/py-repoze.what version 1.0.9
Tweak net/libnet10 version 1.0.2a_5,1
Tweak lang/guile version 1.8.8_1