gst-libav: version bumped to 1.2.3.
gst-plugins-bad-1.0: version bumped to 1.2.3.
gst-plugins-base-1.0: version bumped to 1.2.3.
gst-plugins-good-1.0: version bumped to 1.2.3.
gst-plugins-ugly-1.0: version bumped to 1.2.3.
gstreamer: version bumped to 1.2.3.