reorded cv tutorials and added descriptions that reflect content and … (#3825)
reorded cv tutorials and added descriptions that reflect content and … (#3825)

* reorded cv tutorials and added descriptions that reflect content and its level

* fixed language specific formatting

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