Keyframe boost of 2 instead of 1
Keyframe boost of 2 instead of 1

Now that the QMs are fixed, we should be able to do that without much issue
since the QMs were implicitly causing extra keyframe boost

ntt-short1:
          LOW (%)  MEDIUM (%) HIGH (%)
    PSNR -4.771283 -4.538966 -3.859305
 PSNRHVS -4.654448 -3.582671 -1.851898
    SSIM -4.628685 -4.295183 -3.223841
FASTSSIM -5.111234 -4.706040 -3.957645

KyleSiefring/daala,KyleSiefring/daala,HeadhunterXamd/daala,xiph/daala,ycho/daala,xiphmont/daala,ycho/daala,xiph/daala,xiph/daala,ycho/daala,KyleSiefring/daala,ycho/daala,jmvalin/daala,HeadhunterXamd/daala,xiphmont/daala,jmvalin/daala,luctrudeau/daala,jmvalin/daala,xiphmont/daala,KyleSiefring/daala,xiphmont/daala,luctrudeau/daala,ycho/daala,luctrudeau/daala,KyleSiefring/daala,luctrudeau/daala,HeadhunterXamd/daala,xiph/daala,jmvalin/daala,luctrudeau/daala,jmvalin/daala,xiphmont/daala,xiph/daala,HeadhunterXamd/daala,HeadhunterXamd/daala