Append comments and rename functions
Append comments and rename functions

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