Tweak games/xboard version 4.7.1_2
Tweak www/xombrero version 1.6.0
Update sysutils/zfstools to version 0.3.0
Tweak editors/yzis version 1.0.a.1_9
Tweak math/eigen2 version 2.0.17,1
Update sysutils/ec2-scripts to version 1.5
Update graphics/darktable to version 1.2.3