add gcc-5 and openmp support for osx, but ld error for x86_64
add gcc-5 and openmp support for osx, but ld error for x86_64

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