gstreamer-10 : bump version to 1.0.6
gst-plugins-base : bump version to 1.0.6
gst-plugins-good-10 : bump version to 1.0.6
gst-plugins-bad-10 : bump version to 1.0.6
gst-plugins-ugly-10 : bump version to 1.0.6
import new package : gst-libav-10
remove gst-ffmpeg-10 : no version for 1.x of gstreamer
libav : bump version to 0.8.6