add link to requirements of nvidia-docker
add link to requirements of nvidia-docker

aonotas/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,jnishi/chainer,wkentaro/chainer,niboshi/chainer,ktnyt/chainer,tkerola/chainer,wkentaro/chainer,hvy/chainer,pfnet/chainer,niboshi/chainer,hvy/chainer,okuta/chainer,okuta/chainer,okuta/chainer,anaruse/chainer,ktnyt/chainer,keisuke-umezawa/chainer,chainer/chainer,rezoo/chainer,chainer/chainer,niboshi/chainer,niboshi/chainer,chainer/chainer,wkentaro/chainer,keisuke-umezawa/chainer,hvy/chainer,ktnyt/chainer,hvy/chainer,jnishi/chainer,jnishi/chainer,ronekko/chainer,chainer/chainer,okuta/chainer,wkentaro/chainer,ktnyt/chainer,jnishi/chainer