Fix docs and some points
Fix docs and some points

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