Mention mxnet version in tutorial prereq (#6983)
Mention mxnet version in tutorial prereq (#6983)


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