Add .clang-format to gitignore (#6262)
Add .clang-format to gitignore (#6262)


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