re-add epoch-detail to logreport
re-add epoch-detail to logreport

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