Tweak sysutils/gcombust version 0.1.55_6
Update www/firefox-i18n to version 19.0
Update science/gdis to version 0.90
Update graphics/kudu to version 0.1.2_8
Update cad/pdnmesh to version 0.2.2_2
Tweak x11-toolkits/gtkunique version 0.9.1_7
Update misc/nut to version 18.4_1