Add nodes attribute to Computational Graph
Add nodes attribute to Computational Graph

yanweifu/chainer,wkentaro/chainer,hvy/chainer,keisuke-umezawa/chainer,ktnyt/chainer,kashif/chainer,umitanuki/chainer,wkentaro/chainer,AlpacaDB/chainer,truongdq/chainer,ikasumi/chainer,Kaisuke5/chainer,benob/chainer,truongdq/chainer,okuta/chainer,t-abe/chainer,pfnet/chainer,sou81821/chainer,delta2323/chainer,okuta/chainer,rezoo/chainer,niboshi/chainer,sinhrks/chainer,niboshi/chainer,jnishi/chainer,kikusu/chainer,chainer/chainer,wkentaro/chainer,muupan/chainer,woodshop/chainer,kuwa32/chainer,cupy/cupy,benob/chainer,cemoody/chainer,cupy/cupy,jnishi/chainer,AlpacaDB/chainer,keisuke-umezawa/chainer,laysakura/chainer,bayerj/chainer,wkentaro/chainer,okuta/chainer,ytoyama/yans_chainer_hackathon,ktnyt/chainer,keisuke-umezawa/chainer,kikusu/chainer,masia02/chainer,ktnyt/chainer,hvy/chainer,woodshop/complex-chainer,1986ks/chainer,aonotas/chainer,tigerneil/chainer,wavelets/chainer,ronekko/chainer,chainer/chainer,niboshi/chainer,jnishi/chainer,t-abe/chainer,hvy/chainer,keisuke-umezawa/chainer,hvy/chainer,sinhrks/chainer,hidenori-t/chainer,jfsantos/chainer,ktnyt/chainer,okuta/chainer,ysekky/chainer,tereka114/chainer,jnishi/chainer,tscohen/chainer,cupy/cupy,niboshi/chainer,anaruse/chainer,elviswf/chainer,muupan/chainer,minhpqn/chainer,tkerola/chainer,cupy/cupy,chainer/chainer,kiyukuta/chainer,chainer/chainer