Update MShadow (#2500)
Update MShadow (#2500)


reminisce/mxnet,kkk669/mxnet,ykim362/mxnet,formath/mxnet,mbaijal/incubator-mxnet,likelyzhao/mxnet,zhreshold/mxnet,dmlc/mxnet,ptrendx/mxnet,sxjscience/mxnet,formath/mxnet,rishita/mxnet,indhub/mxnet,sxjscience/mxnet,formath/mxnet,hotpxl/mxnet,larroy/mxnet,piiswrong/mxnet,hotpxl/mxnet,wangyum/mxnet,Guneet-Dhillon/mxnet,madjam/mxnet,wangyum/mxnet,jiajiechen/mxnet,tornadomeet/mxnet,antoan2/incubator-mxnet,yuruofeifei/mxnet,apache/incubator-mxnet,jiajiechen/mxnet,Northrend/mxnet,weleen/mxnet,hotpxl/mxnet,kevinthesun/mxnet,leezu/mxnet,eric-haibin-lin/mxnet,stefanhenneking/mxnet,coder-james/mxnet,CodingCat/mxnet,xcgoner/dist-mxnet,TuSimple/mxnet,saurabh3949/mxnet,jamesliu/mxnet,likelyzhao/mxnet,thirdwing/mxnet,gautamkmr/incubator-mxnet,kevinthesun/mxnet,leezu/mxnet,eric-haibin-lin/mxnet,eric-haibin-lin/mxnet,wangyum/mxnet,reminisce/mxnet,lxn2/mxnet,navrasio/mxnet,Northrend/mxnet,smolix/incubator-mxnet,arikpoz/mxnet,arikpoz/mxnet,coder-james/mxnet,precedenceguo/mxnet,fullfanta/mxnet,indhub/mxnet,vikingMei/mxnet,yuruofeifei/mxnet,formath/mxnet,rahul003/mxnet,sxjscience/mxnet,eric-haibin-lin/mxnet,likelyzhao/mxnet,arank/mxnet,antoan2/incubator-mxnet,wangyum/mxnet,vikingMei/mxnet,jermainewang/mxnet,Northrend/mxnet,gautamkmr/incubator-mxnet,apache/incubator-mxnet,wangyum/mxnet,Northrend/mxnet,antoan2/incubator-mxnet,ZihengJiang/mxnet,EvanzzzZ/mxnet,xcgoner/dist-mxnet,rishita/mxnet,sergeykolychev/mxnet,sergeykolychev/mxnet,madjam/mxnet,jermainewang/mxnet,sxjscience/mxnet,kkk669/mxnet,zhreshold/mxnet,jamesliu/mxnet,ForkedReposBak/mxnet,arikpoz/mxnet,ForkedReposBak/mxnet,yajiedesign/mxnet,Mega-DatA-Lab/mxnet,navrasio/mxnet,hesseltuinhof/mxnet,Prasad9/incubator-mxnet,jiajiechen/mxnet,jennyzhang0215/incubator-mxnet,tornadomeet/mxnet,EvanzzzZ/mxnet,madjam/mxnet,nicklhy/mxnet,xcgoner/dist-mxnet,lxn2/mxnet,fullfanta/mxnet,mbaijal/incubator-mxnet,Mega-DatA-Lab/mxnet,sergeykolychev/mxnet,smolix/incubator-mxnet,madjam/mxnet,rishita/mxnet,arank/mxnet,Ldpe2G/mxnet,arank/mxnet,eric-haibin-lin/mxnet,hotpxl/mxnet,piiswrong/mxnet,TuSimple/mxnet,indhub/mxnet,EvanzzzZ/mxnet,zhreshold/mxnet,jamesliu/mxnet,hpi-xnor/BMXNet,likelyzhao/mxnet,ShownX/incubator-mxnet,likelyzhao/mxnet,yuruofeifei/mxnet,apaleyes/mxnet,thirdwing/mxnet,luoyetx/mxnet,sergeykolychev/mxnet,saurabh3949/mxnet,pluskid/mxnet,solin319/incubator-mxnet,apache/incubator-mxnet,fullfanta/mxnet,kkk669/mxnet,indhub/mxnet,mbaijal/incubator-mxnet,jamesliu/mxnet,pluskid/mxnet,solin319/incubator-mxnet,pluskid/mxnet,xcgoner/dist-mxnet,hpi-xnor/BMXNet,stefanhenneking/mxnet,xcgoner/dist-mxnet,ForkedReposBak/mxnet,ptrendx/mxnet,DR08/mxnet,apaleyes/mxnet,ZihengJiang/mxnet,lxn2/mxnet,dmlc/mxnet,szha/mxnet,sxjscience/mxnet,TuSimple/mxnet,ZihengJiang/mxnet,CodingCat/mxnet,crazy-cat/incubator-mxnet,ptrendx/mxnet,sergeykolychev/mxnet,szha/mxnet,rahul003/mxnet,jennyzhang0215/incubator-mxnet,likelyzhao/mxnet,arank/mxnet,reminisce/mxnet,mbaijal/incubator-mxnet,stefanhenneking/mxnet,tornadomeet/mxnet,precedenceguo/mxnet,luoyetx/mxnet,ptrendx/mxnet,jennyzhang0215/incubator-mxnet,DickJC123/mxnet,dmlc/mxnet,stefanhenneking/mxnet,jermainewang/mxnet,szha/mxnet,reminisce/mxnet,danithaca/mxnet,precedenceguo/mxnet,jiajiechen/mxnet,gautamkmr/incubator-mxnet,jermainewang/mxnet,danithaca/mxnet,luoyetx/mxnet,xcgoner/dist-mxnet,jennyzhang0215/incubator-mxnet,eric-haibin-lin/mxnet,luoyetx/mxnet,tornadomeet/mxnet,TuSimple/mxnet,LinkHS/incubator-mxnet,DR08/mxnet,madjam/mxnet,yuruofeifei/mxnet,Mega-DatA-Lab/mxnet,DickJC123/mxnet,tlby/mxnet,piiswrong/mxnet,saurabh3949/mxnet,EvanzzzZ/mxnet,reminisce/mxnet,rishita/mxnet,dmlc/mxnet,jennyzhang0215/incubator-mxnet,gautamkmr/incubator-mxnet,dmlc/mxnet,madjam/mxnet,tlby/mxnet,coder-james/mxnet,larroy/mxnet,jamesliu/mxnet,sergeykolychev/mxnet,pluskid/mxnet,stefanhenneking/mxnet,TuSimple/mxnet,TuSimple/mxnet,sergeykolychev/mxnet,hesseltuinhof/mxnet,ZihengJiang/mxnet,Ldpe2G/mxnet,yuruofeifei/mxnet,solin319/incubator-mxnet,smolix/incubator-mxnet,solin319/incubator-mxnet,weleen/mxnet,saurabh3949/mxnet,larroy/mxnet,wangyum/mxnet,nicklhy/mxnet,Northrend/mxnet,Mega-DatA-Lab/mxnet,coder-james/mxnet,stefanhenneking/mxnet,hotpxl/mxnet,gautamkmr/incubator-mxnet,arikpoz/mxnet,yajiedesign/mxnet,weleen/mxnet,coder-james/mxnet,Northrend/mxnet,arikpoz/mxnet,arikpoz/mxnet,Ldpe2G/mxnet,wangyum/mxnet,wangyum/mxnet,Guneet-Dhillon/mxnet,larroy/mxnet,tornadomeet/mxnet,gautamkmr/incubator-mxnet,rishita/mxnet,Mega-DatA-Lab/mxnet,eric-haibin-lin/mxnet,danithaca/mxnet,zhreshold/mxnet,lxn2/mxnet,DR08/mxnet,weleen/mxnet,antoan2/incubator-mxnet,CodingCat/mxnet,nicklhy/mxnet,likelyzhao/mxnet,Guneet-Dhillon/mxnet,ykim362/mxnet,xcgoner/dist-mxnet,jiajiechen/mxnet,piiswrong/mxnet,gautamkmr/incubator-mxnet,madjam/mxnet,pluskid/mxnet,navrasio/mxnet,arank/mxnet,crazy-cat/incubator-mxnet,danithaca/mxnet,stefanhenneking/mxnet,reminisce/mxnet,jiajiechen/mxnet,ShownX/incubator-mxnet,LinkHS/incubator-mxnet,ForkedReposBak/mxnet,Mega-DatA-Lab/mxnet,kkk669/mxnet,vikingMei/mxnet,tlby/mxnet,ykim362/mxnet,CodingCat/mxnet,piiswrong/mxnet,solin319/incubator-mxnet,hesseltuinhof/mxnet,arank/mxnet,yajiedesign/mxnet,hpi-xnor/BMXNet,danithaca/mxnet,sxjscience/mxnet,danithaca/mxnet,vikingMei/mxnet,danithaca/mxnet,jermainewang/mxnet,Guneet-Dhillon/mxnet,LinkHS/incubator-mxnet,DR08/mxnet,thirdwing/mxnet,tlby/mxnet,antoan2/incubator-mxnet,zhreshold/mxnet,szha/mxnet,dmlc/mxnet,Prasad9/incubator-mxnet,formath/mxnet,arikpoz/mxnet,hpi-xnor/BMXNet,hotpxl/mxnet,apaleyes/mxnet,Northrend/mxnet,ptrendx/mxnet,pluskid/mxnet,ForkedReposBak/mxnet,szha/mxnet,rahul003/mxnet,Prasad9/incubator-mxnet,ShownX/incubator-mxnet,kkk669/mxnet,smolix/incubator-mxnet,jiajiechen/mxnet,gautamkmr/incubator-mxnet,arank/mxnet,kkk669/mxnet,apaleyes/mxnet,ZihengJiang/mxnet,nicklhy/mxnet,Guneet-Dhillon/mxnet,rahul003/mxnet,dmlc/mxnet,rahul003/mxnet,saurabh3949/mxnet,lxn2/mxnet,piiswrong/mxnet,formath/mxnet,TuSimple/mxnet,tlby/mxnet,mbaijal/incubator-mxnet,navrasio/mxnet,szha/mxnet,hpi-xnor/BMXNet,CodingCat/mxnet,danithaca/mxnet,formath/mxnet,sergeykolychev/mxnet,szha/mxnet,DR08/mxnet,antoan2/incubator-mxnet,vikingMei/mxnet,piiswrong/mxnet,tlby/mxnet,hotpxl/mxnet,hotpxl/mxnet,nicklhy/mxnet,Guneet-Dhillon/mxnet,eric-haibin-lin/mxnet,TuSimple/mxnet,luoyetx/mxnet,ForkedReposBak/mxnet,mbaijal/incubator-mxnet,solin319/incubator-mxnet,Ldpe2G/mxnet,ptrendx/mxnet,larroy/mxnet,CodingCat/mxnet,danithaca/mxnet,DR08/mxnet,Northrend/mxnet,leezu/mxnet,ptrendx/mxnet,nicklhy/mxnet,arank/mxnet,stefanhenneking/mxnet,vikingMei/mxnet,CodingCat/mxnet,saurabh3949/mxnet,reminisce/mxnet,CodingCat/mxnet,tornadomeet/mxnet,rahul003/mxnet,larroy/mxnet,navrasio/mxnet,jamesliu/mxnet,Guneet-Dhillon/mxnet,dmlc/mxnet,hpi-xnor/BMXNet,ShownX/incubator-mxnet,zhreshold/mxnet,luoyetx/mxnet,rishita/mxnet,pluskid/mxnet,jermainewang/mxnet,crazy-cat/incubator-mxnet,pluskid/mxnet,crazy-cat/incubator-mxnet,reminisce/mxnet,rishita/mxnet,coder-james/mxnet,weleen/mxnet,indhub/mxnet,LinkHS/incubator-mxnet,LinkHS/incubator-mxnet,Ldpe2G/mxnet,smolix/incubator-mxnet,jamesliu/mxnet,tornadomeet/mxnet,kevinthesun/mxnet,navrasio/mxnet,hesseltuinhof/mxnet,thirdwing/mxnet,leezu/mxnet,ykim362/mxnet,thirdwing/mxnet,Ldpe2G/mxnet,luoyetx/mxnet,DickJC123/mxnet,luoyetx/mxnet,DR08/mxnet,jiajiechen/mxnet,coder-james/mxnet,leezu/mxnet,ZihengJiang/mxnet,jamesliu/mxnet,antoan2/incubator-mxnet,sxjscience/mxnet,dmlc/mxnet,precedenceguo/mxnet,hotpxl/mxnet,arikpoz/mxnet,ShownX/incubator-mxnet,EvanzzzZ/mxnet,tlby/mxnet,rahul003/mxnet,precedenceguo/mxnet,likelyzhao/mxnet,rahul003/mxnet,yajiedesign/mxnet,weleen/mxnet,apaleyes/mxnet,ForkedReposBak/mxnet,fullfanta/mxnet,ykim362/mxnet,ForkedReposBak/mxnet,hesseltuinhof/mxnet,LinkHS/incubator-mxnet,jermainewang/mxnet,crazy-cat/incubator-mxnet,ptrendx/mxnet,antoan2/incubator-mxnet,zhreshold/mxnet,luoyetx/mxnet,mbaijal/incubator-mxnet,rishita/mxnet,saurabh3949/mxnet,vikingMei/mxnet,hesseltuinhof/mxnet,ShownX/incubator-mxnet,yajiedesign/mxnet,tlby/mxnet,formath/mxnet,apaleyes/mxnet,ykim362/mxnet,navrasio/mxnet,piiswrong/mxnet,formath/mxnet,kkk669/mxnet,ForkedReposBak/mxnet,LinkHS/incubator-mxnet,thirdwing/mxnet,crazy-cat/incubator-mxnet,gautamkmr/incubator-mxnet,EvanzzzZ/mxnet,fullfanta/mxnet,stefanhenneking/mxnet,rahul003/mxnet,ptrendx/mxnet,Guneet-Dhillon/mxnet,Prasad9/incubator-mxnet,Ldpe2G/mxnet,LinkHS/incubator-mxnet,navrasio/mxnet,apaleyes/mxnet,Mega-DatA-Lab/mxnet,jamesliu/mxnet,weleen/mxnet,vikingMei/mxnet,kevinthesun/mxnet,yuruofeifei/mxnet,ykim362/mxnet,thirdwing/mxnet,Prasad9/incubator-mxnet,EvanzzzZ/mxnet,nicklhy/mxnet,solin319/incubator-mxnet,hesseltuinhof/mxnet,smolix/incubator-mxnet,DickJC123/mxnet,tornadomeet/mxnet,precedenceguo/mxnet,szha/mxnet,larroy/mxnet,ShownX/incubator-mxnet,TuSimple/mxnet,xcgoner/dist-mxnet,kevinthesun/mxnet,tlby/mxnet,reminisce/mxnet,indhub/mxnet,yajiedesign/mxnet,kevinthesun/mxnet,precedenceguo/mxnet,ZihengJiang/mxnet,yajiedesign/mxnet,zhreshold/mxnet,TuSimple/mxnet,navrasio/mxnet,CodingCat/mxnet,likelyzhao/mxnet,piiswrong/mxnet,ZihengJiang/mxnet,EvanzzzZ/mxnet,hpi-xnor/BMXNet,mbaijal/incubator-mxnet,szha/mxnet,jermainewang/mxnet,kkk669/mxnet,apaleyes/mxnet,ykim362/mxnet,rishita/mxnet,Prasad9/incubator-mxnet,indhub/mxnet,pluskid/mxnet,mbaijal/incubator-mxnet,LinkHS/incubator-mxnet,kevinthesun/mxnet,tlby/mxnet,ptrendx/mxnet,kevinthesun/mxnet,fullfanta/mxnet,saurabh3949/mxnet,apaleyes/mxnet,xcgoner/dist-mxnet,thirdwing/mxnet,lxn2/mxnet,antoan2/incubator-mxnet,Ldpe2G/mxnet,Mega-DatA-Lab/mxnet,vikingMei/mxnet,jennyzhang0215/incubator-mxnet,indhub/mxnet,madjam/mxnet,kkk669/mxnet,jiajiechen/mxnet,EvanzzzZ/mxnet,reminisce/mxnet,Mega-DatA-Lab/mxnet,sergeykolychev/mxnet,yuruofeifei/mxnet,larroy/mxnet,kevinthesun/mxnet,jennyzhang0215/incubator-mxnet,ShownX/incubator-mxnet,jennyzhang0215/incubator-mxnet,Ldpe2G/mxnet,eric-haibin-lin/mxnet,lxn2/mxnet,sxjscience/mxnet,fullfanta/mxnet,fullfanta/mxnet,smolix/incubator-mxnet,nicklhy/mxnet,jennyzhang0215/incubator-mxnet,fullfanta/mxnet,arank/mxnet,precedenceguo/mxnet,DR08/mxnet,yajiedesign/mxnet,madjam/mxnet,ykim362/mxnet,leezu/mxnet,Prasad9/incubator-mxnet,ZihengJiang/mxnet,lxn2/mxnet,tornadomeet/mxnet,leezu/mxnet,jermainewang/mxnet,solin319/incubator-mxnet,DR08/mxnet,Prasad9/incubator-mxnet,leezu/mxnet,indhub/mxnet,Prasad9/incubator-mxnet,ShownX/incubator-mxnet,thirdwing/mxnet,arikpoz/mxnet,coder-james/mxnet,zhreshold/mxnet,hesseltuinhof/mxnet,leezu/mxnet,crazy-cat/incubator-mxnet,yuruofeifei/mxnet,crazy-cat/incubator-mxnet,smolix/incubator-mxnet,apache/incubator-mxnet,precedenceguo/mxnet,smolix/incubator-mxnet,yuruofeifei/mxnet,Guneet-Dhillon/mxnet,hesseltuinhof/mxnet,hpi-xnor/BMXNet,coder-james/mxnet,Northrend/mxnet,lxn2/mxnet,crazy-cat/incubator-mxnet,solin319/incubator-mxnet,yajiedesign/mxnet,saurabh3949/mxnet,weleen/mxnet,wangyum/mxnet,larroy/mxnet,weleen/mxnet,sxjscience/mxnet,nicklhy/mxnet,hpi-xnor/BMXNet