Fix initialization of biases
Fix initialization of biases

laysakura/chainer,Kaisuke5/chainer,t-abe/chainer,okuta/chainer,ikasumi/chainer,masia02/chainer,chainer/chainer,keisuke-umezawa/chainer,benob/chainer,delta2323/chainer,ktnyt/chainer,ktnyt/chainer,chainer/chainer,kashif/chainer,AlpacaDB/chainer,keisuke-umezawa/chainer,okuta/chainer,hvy/chainer,wkentaro/chainer,niboshi/chainer,tscohen/chainer,tigerneil/chainer,rezoo/chainer,muupan/chainer,chainer/chainer,hidenori-t/chainer,chainer/chainer,okuta/chainer,cupy/cupy,t-abe/chainer,kikusu/chainer,cupy/cupy,cupy/cupy,minhpqn/chainer,muupan/chainer,jnishi/chainer,anaruse/chainer,truongdq/chainer,sou81821/chainer,ktnyt/chainer,1986ks/chainer,hvy/chainer,kiyukuta/chainer,AlpacaDB/chainer,truongdq/chainer,kikusu/chainer,umitanuki/chainer,hvy/chainer,ytoyama/yans_chainer_hackathon,ysekky/chainer,ktnyt/chainer,jnishi/chainer,pfnet/chainer,niboshi/chainer,jnishi/chainer,okuta/chainer,cemoody/chainer,kuwa32/chainer,wkentaro/chainer,wavelets/chainer,yanweifu/chainer,wkentaro/chainer,aonotas/chainer,keisuke-umezawa/chainer,tkerola/chainer,niboshi/chainer,woodshop/complex-chainer,niboshi/chainer,wkentaro/chainer,cupy/cupy,keisuke-umezawa/chainer,sinhrks/chainer,sinhrks/chainer,benob/chainer,jnishi/chainer,hvy/chainer,woodshop/chainer,ronekko/chainer