linux: update to linux-3.8.7

Signed-off-by: Stephan Raue <stephan@openelec.tv>
gcc: update to gcc-4.7.3

Signed-off-by: Stephan Raue <stephan@openelec.tv>
ffmpeg: move patches in own versioning dir

Signed-off-by: Stephan Raue <stephan@openelec.tv>
vboxguest: update to vboxguest-4.2.12
xf86-video-virtualbox: update to xf86-video-virtualbox-4.2.12
alsa-utils: update to alsa-utils-1.0.27

Signed-off-by: Stephan Raue <stephan@openelec.tv>
alsa-plugins: update to alsa-plugins-1.0.27

Signed-off-by: Stephan Raue <stephan@openelec.tv>
alsa-lib: update to alsa-lib-1.0.27

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge branch 'master' of github.com:OpenELEC/OpenELEC.tv
dvb-firmware: update to dvb-firmware-0.0.33
ffmpeg: add ffmpeg-1.2 support if build with XBMA=master

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xbmc: update to xbmc-74fa128

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge branch 'master' of github.com:OpenELEC/OpenELEC.tv
tools/mkpkg/mkpkg_xbmc: prepare for xbmc-master

Signed-off-by: Stephan Raue <stephan@openelec.tv>