Update graphics/ethumb to version 1.7.9
Tweak graphics/gstreamer1-plugins-opencv version 1.0.10
Tweak graphics/gstreamer-plugins-opencv version 0.10.23,3
Update x11-toolkits/elementary to version 1.7.9
Tweak graphics/oyranos version 0.9.4_1
Tweak editors/vigor version 0.016_4