Log Message:
Update gstreamer1 and plugins to 1.8.0.

GStreamer 1.8.0 was released on 24 March 2016.

The GStreamer team is proud to announce a new major feature release
in the stable 1.x API series of your favourite cross-platform
multimedia framework!

As always, this release is again packed with new features, bug fixes
and other improvements.

See https://gstreamer.freedesktop.org/releases/1.8/ for the latest
version of this document.

Highlights

    Hardware-accelerated zero-copy video decoding on Android

    New video capture source for Android using the android.hardware.Camera
    API

    Windows Media reverse playback support (ASF/WMV/WMA)

    New tracing system provides support for more sophisticated
    debugging tools

    New high-level GstPlayer playback convenience API

    Initial support for the new Vulkan API, see Matthew Waters'
    blog post for more details

    Improved Opus audio codec support: Support for more than two
    channels; MPEG-TS demuxer/muxer can now handle Opus; sample-accurate
    encoding/decoding/transmuxing with Ogg, Matroska, ISOBMFF
    (Quicktime/MP4), and MPEG-TS as container; new codec utility
    functions for Opus header and caps handling in pbutils library.
    The Opus encoder/decoder elements were also moved to gst-plugins-base
    (from -bad), and the opus RTP depayloader/payloader to -good.

    GStreamer VAAPI module now released and maintained as part of
    the GStreamer project

    Asset proxy support in the GStreamer Editing Services