Optimizer factory is now case insensitive. Changed to explicit registration because metaclass grammar is different between python 2 and python 3.
Optimizer factory is now case insensitive. Changed to explicit
registration because metaclass grammar is different between python 2 and
python 3.

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