Tweak science/mpqc version 2.3.1_19
Update net/gtk-vnc to version 0.3.10_12
Tweak multimedia/emotion version 1.7.9,1
Tweak graphics/mesa-demos version 8.1.0_1
Tweak multimedia/gstreamer-qt4 version 0.10.3_2
Tweak graphics/libGLw version 8.0.0