[example] update readme
[example] update readme

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