Make it error to register a link within chainlist.init_scope()
Make it error to register a link within chainlist.init_scope()

Instances of Parameter could be registered

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