From fc15ce452183626bbe32fcb6946e6ddad52e9e3b Mon Sep 17 00:00:00 2001
From: Yao Zhang <psyyz10@nottingham.ac.uk>
Date: Thu, 25 May 2017 10:48:32 +0800
Subject: [PATCH] fix bug in Concat layer and Add backward to ConcatTable
 (#902)