Filter dead documents when processing hits.
Filter dead documents when processing hits.

--HG--
extra : rebase_source : e8ad12675d578d593312f2078e727c08d34a7e81

5digits/dactyl,Kjwon15/dactyl,nathyong/dactyl,nathyong/dactyl,moonshadow/dactyl,5digits/dactyl,nathyong/dactyl,Kjwon15/dactyl,Kjwon15/dactyl,invl/dactyl,madand/pentadactyl-pm,madand/pentadactyl-pm,madand/pentadactyl-pm,moonshadow/dactyl,invl/dactyl,airodactyl/dactyl,invl/dactyl,nathyong/dactyl,nathyong/dactyl,airodactyl/dactyl,airodactyl/dactyl,madand/pentadactyl-pm,airodactyl/dactyl,airodactyl/dactyl,5digits/dactyl,Kjwon15/dactyl,Kjwon15/dactyl,5digits/dactyl,nathyong/dactyl,invl/dactyl,airodactyl/dactyl,invl/dactyl,moonshadow/dactyl,5digits/dactyl,moonshadow/dactyl,madand/pentadactyl-pm,moonshadow/dactyl,invl/dactyl,moonshadow/dactyl,Kjwon15/dactyl,madand/pentadactyl-pm,5digits/dactyl