* Update gst-libav to 1.0.6

	modified:   libs_video/gst_libav/gst_libav.build
* Update gupnp to 0.20.1 and gssdp to 0.14.2

	deleted:    libs_network/libgupnp/gssdp-0.12.2-pkgconfigdir.patch.xz
	deleted:    libs_network/libgupnp/gupnp-0.18.4-pkgconfigdir.patch.xz
	deleted:    libs_network/libgupnp/gupnp-igd-0.2.2-pkgconfigdir.patch.xz
	modified:   libs_network/libgupnp/libgupnp.build