Inialize batch_normalization link using initializers.
Inialize batch_normalization link using initializers.

kiyukuta/chainer,ktnyt/chainer,rezoo/chainer,chainer/chainer,keisuke-umezawa/chainer,kikusu/chainer,aonotas/chainer,chainer/chainer,jnishi/chainer,delta2323/chainer,hvy/chainer,ronekko/chainer,anaruse/chainer,wkentaro/chainer,kashif/chainer,hvy/chainer,jnishi/chainer,ktnyt/chainer,jnishi/chainer,tkerola/chainer,cupy/cupy,wkentaro/chainer,ktnyt/chainer,okuta/chainer,okuta/chainer,wkentaro/chainer,ysekky/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,cupy/cupy,hvy/chainer,kikusu/chainer,niboshi/chainer,wkentaro/chainer,keisuke-umezawa/chainer,hvy/chainer,cupy/cupy,okuta/chainer,chainer/chainer,niboshi/chainer,chainer/chainer,pfnet/chainer,niboshi/chainer,niboshi/chainer,ktnyt/chainer,jnishi/chainer,okuta/chainer,cupy/cupy