SECURITY fix for: CVE-2016-9317,CVE-2016-6912,CVE-2016-10166,CVE-2016-10167, CVE-2016-5767,CVE-2016-10168,CVE-2015-8874,CVE-2016-9933 Initial diff from me, diff to replace multimedia/libvpx with graphics/libwebp from Brad Smith ok sthen@, "looks okay" @landry