Update graphics/opencv to version 2.4.7_1
Update java/openjdk6 to version b28_7
Update graphics/graphite2 to version 1.2.4
Update graphics/opencolorio to version 1.0.8_2
Tweak multimedia/gstreamer-qt4 version 0.10.3_1
Tweak accessibility/at-spi2-core version 2.8.0
Tweak net-p2p/eiskaltdcpp-lib version 2.2.4_5