gst-ffpmeg -> gst-libav
gst-libav-1.0.5
gst-plugins-bad-1.0.5
gst-plugins-base-1.0.5
gst-plugins-good-1.0.5
gst-plugins-ugly-1.0.5
gst-python-0.10.22
gstreamer-1.0.5

Fixups for GST_PLUGIN_PATH.
 - merge in gstream.130301
merge error
gst-libav no longer supports using the system ffmpeg.
Merge branch 'gstreamer.120301' into pending