Fixes for slow channel switching

This fixes and closes #2132.
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>
vdr: update to vdr-2.0.0
remove package 'vdr-dynamite'

- dynamite never worked as should. especialy with vdr-sc and dvbapi
vdr-sc: remove -dybamite patch
vdr-iptv: update to vdr-iptv-2.0.0
vdr-plugin-streamdev: update to vdr-plugin-streamdev-329129d
vdr-live: update to vdr-live- 0.3.0
vdr-plugin-dvbapi: update to vdr-plugin-dvbapi-555272d
vdr-epgsearch: update to vdr-epgsearch-e2de927