Add NEWS file.
Add NEWS file.

Signed-off-by: Gwenole Beauchesne <729713629d9640cc095f1c77c692e1881f8093c4@intel.com>

android-ia/hardware_intel_libva,Distrotech/libva,gbeauchesne/libva,CyanogenMod/android_hardware_intel_libva,CyanogenMod/android_hardware_intel_libva,chenxianqin/vaapi-libva,zzhhui/libva,01org/iotg-lin-gfx-libva,CyanogenMod/android_hardware_intel_libva,01org/iotg-lin-gfx-libva,Distrotech/libva,gbeauchesne/libva,Distrotech/libva,01org/iotg-lin-gfx-libva,pma1/libva,android-ia/hardware_intel_libva,zzhhui/libva,halleyzhao/libva-fdo,01org/libva-cros,chenxianqin/vaapi-libva,zzhhui/libva,android-ia/hardware_intel_libva,halleyzhao/libva-fdo,01org/libva-cros,halleyzhao/libva-fdo,pma1/libva,pma1/libva,01org/libva-cros,gbeauchesne/libva,chenxianqin/vaapi-libva