Tweak math/py-matplotlib version 1.2.0_2
Update x11-toolkits/rubygem-gtk2 to version 2.1.0
Tweak www/py-webkitgtk version 1.1.8_2
Tweak cad/libgeda version 1.4.3_6,1
Tweak graphics/goocanvas version 1.0.0
Update devel/grantlee to version 0.4.0