libglib2: Bump libglib2 to 2.36.1

This patch bumps libglib2 to version 2.36.1. In addition this bumps glibmm and
glib-networking to 2.36.1.
gdk-pixbuf: bump to version 2.28.1
libgtk2: bump to version 2.24.18 and drop DirectFB

* Drop DirectFB support from libgtk2
* bump libgtk2 to version 2.24.18
libsoup: bump to version 2.43.1
webkit: bump to version 1.9.6

Remove bison-2.6-compat patch as it has been incorporated upstream.
Remove fix build issue with old gtk as gtk has been bumped to a newer
version.
Remove fix-build-with-gcc-4-6 as it has incorporated upstream.
Remove directfb patches due to depreciation
Remove pool patch as it is no longer required
Remove pthread_getattr_np as webkit no longer uses this function.
gstreamer1: Add gstreamer version 1.0.7 package

This patch adds the gstreamer version 1.x series to buildroot.
gst1-plugins-base: add gstreamer1 base plugins

Adds gstreamer 1.X base plugins.
gst1-plugins-good: add gstreamer1 good plugins

Adds gstreamer 1.X good plugins.
gst1-plugins-bad: add gstreamer1 bad plugins

Adds gstreamer 1.X bad plugins
gst1-plugins-ugly: add gstreamer1 ugly plugins

Adds gstreamer 1.X ugly plugins
libvpx: new package libvpx

adds webm multimedia support and the VP8 encoder/decoder library.

http://www.webmproject.org/
gst1-plugins-good: add libvpx support

adds libvpx support to gst1-plugins-good
libopenmax: Add libopenmax virtual package

this adds the libopenmax virtual package for hardware based video acceleration
gst-omx: add gst-omx package

gst-omx enables OpenMAX based accelerated video decode.
Reorganize multimedia/Config.in to show deps

Reorganize packages/multimedia/Config.in to better show the dependencies of the
gstreamer plugins to the gstreamer versions

CC: Samuel Martin <s.martin49@gmail.com>