Changes Dockerfile to use go 1.4
Changes Dockerfile to use go 1.4

Signed-off-by: Mrunal Patel <d389837b018b67489df74a2c5f0aca13aaed44b6@gmail.com> (github: mrunalp)

meihuabo/runc,whosthatknocking/runc,liuwharton/runc,ekuric/runc,mapk0y/runc,rsampaio/runc,wcwxyz/runc,boucher/libcontainer,abduld/runc,balajibr/runc,jwuwork/runc,dqminh/libcontainer,LK4D4/runc,balajibr/runc,jhjeong-kr/runc,keloyang/runc,HardikDR/runc,estesp/libcontainer,gitido/runc,dqminh/runc,hxfeng/runc,mheon/libcontainer,icecrime/libcontainer,albertoleal/runc,wcwxyz/runc,crosbymichael/libcontainer,justincormack/runc,kimh/runc,SaiedKazemi/libcontainer-criu,docker/runc,HardikDR/runc,keloyang/libcontainer,aidanhs/runc,mrunalp/runc,Microsoft/libcontainer,avagin/runc,gitido/runc,ZJU-SEL/runc,calavera/runc,rhatdan/runc,fabiokung/runc,Mashimiao/libcontainer,xiaochenshen/runc,coolljt0725/runc,liuwharton/runc,justincormack/runc,kolyshkin/runc,docker/libcontainer,talwai/runc,estesp/runc,ycaihua/libcontainer,rhatdan/runc,ZJU-SEL/runc,BrickXu/libcontainer,runcom/runc,YujiOshima/runc,ZJU-SEL/runc,LTD-Beget/libcontainer,zenlinTechnofreak/runc,meihuabo/runc,estesp/runc,wking/runc,boucher/runc,hqhq/libcontainer,inatatsu/runc,whuwxl/libcontainer,cloudfoundry-incubator/runc,nkwilson/runc,docker/libcontainer,rhatdan/libcontainer,stefanberger/runc,chenchun/runc,runcom/runc,clnperez/runc,thaJeztah/libcontainer,stefanberger/runc,axsh/runc,jwuwork/runc,docker/runc,vbatts/runc,jhowardmsft/runc,ChengTiesheng/runc,keloyang/runc,maxamillion/runc,BrickXu/libcontainer,vbatts/runc,dieface/runc,docker/libcontainer,icecrime/libcontainer,aidanhs/runc,intfrr/runc,shishir-a412ed/runc,aidanhs/runc,axsh/runc,keloyang/libcontainer,kolyshkin/runc,icecrime/libcontainer,ddnbgroup/runc,mrunalp/libcontainer,nkwilson/runc,cxxly/runc,sunyuan3/runc,dqminh/libcontainer,maxamillion/runc,InformatiQ/runc,rhatdan/runc,sunyuan3/runc,mheon/runc,ycaihua/runc,ddnbgroup/runc,willmtemple/runc,YujiOshima/runc,abduld/runc,marcosnils/runc,meihuabo/runc,hxfeng/runc,dieface/runc,mikebrow/runc,runcom/libcontainer,cyphar/runc,ddnbgroup/runc,stefanberger/runc,kimh/runc,zenlinTechnofreak/runc,sallyom/runc,thaJeztah/libcontainer,ycaihua/libcontainer,dqminh/libcontainer,coolljt0725/runc,avagin/runc,hqhq/runc,inatatsu/runc,sallyom/runc,marcosnils/runc,albertoleal/runc,liuwharton/runc,InformatiQ/runc,whosthatknocking/runc,carlye566/runc,ycaihua/libcontainer,crosbymichael/libcontainer,kimh/runc,haijunTan/runc,WeiZhang555/runc,thaJeztah/libcontainer,kolyshkin/runc,zhangyancoder/libcontainer,sallyom/runc,laijs/runc,cyphar/runc,ekuric/runc,w4ngyi/libcontainer,gwoo/runc,Mashimiao/libcontainer,mapk0y/runc,shenxiaochen/libcontainer,estesp/runc,cxxly/runc,rsampaio/runc,navidshaikh/runc,keloyang/libcontainer,Microsoft/libcontainer,ycaihua/runc,opencontainers/runc,mrunalp/libcontainer,mheon/runc,markllama/runc,HuKeping/runc,justincormack/runc,boucher/libcontainer,InformatiQ/runc,ZJU-SEL/libcontainer,navidshaikh/runc,shakamunyi/libcontainer,keloyang/runc,fabiokung/runc,calavera/runc,w4ngyi/libcontainer,runcom/runc,rhatdan/runc,cxxly/runc,docker/runc,LK4D4/runc,rhatdan/libcontainer,mikebrow/runc,boucher/runc,mYmNeo/runc,booyaa/runc,lizf-os/runc,dqminh/runc,rhatdan/libcontainer,LTD-Beget/libcontainer,BrickXu/libcontainer,shenxiaochen/libcontainer,crosbymichael/runc,willmtemple/runc,chenchun/runc,shenxiaochen/libcontainer,whosthatknocking/runc,abduld/runc,maxamillion/runc,mrunalp/runc,calavera/runc,boucher/libcontainer,xiaochenshen/runc,crosbymichael/libcontainer,opencontainers/runc,mheon/runc,rootfs/runc,hqhq/runc,shakamunyi/libcontainer,boucher/runc,laijs/runc,albertoleal/runc,hqhq/libcontainer,markllama/runc,balajibr/runc,runcom/libcontainer,han-wang/runc,gitido/runc,carlye566/runc,haijunTan/runc,ekuric/runc,shishir-a412ed/runc,xiaochenshen/runc,ZJU-SEL/libcontainer,opencontainers/runc,intfrr/runc,adrianreber/runc,han-wang/runc,markllama/runc,tangkun75/libcontainer,talwai/runc,WeiZhang555/runc,subuser-security/runc,wangkirin/runc,crosbymichael/runc,mapk0y/runc,HardikDR/runc,zhangyancoder/libcontainer,willmtemple/runc,vbatts/runc,kolyshkin/runc,han-wang/runc,coolljt0725/runc,whuwxl/libcontainer,lizf-os/runc,ycaihua/runc,tangkun75/libcontainer,navidshaikh/runc,HuKeping/runc,LK4D4/runc,Microsoft/libcontainer,booyaa/runc,jhjeong-kr/runc,SaiedKazemi/libcontainer-criu,keloyang/libcontainer,mrunalp/runc,avagin/runc,mYmNeo/runc,subuser-security/runc,dqminh/runc,nkwilson/runc,HuKeping/runc,inatatsu/runc,Mashimiao/libcontainer,subuser-security/runc,tangkun75/libcontainer,shishir-a412ed/runc,cloudfoundry-incubator/runc,mYmNeo/runc,wangkirin/runc,laijs/runc,jhowardmsft/runc,lizf-os/runc,ZJU-SEL/libcontainer,WeiZhang555/runc,sunyuan3/runc,carlye566/runc,hxfeng/runc,runcom/libcontainer,wangkirin/runc,rajasec/runc,zhangyancoder/libcontainer,rsampaio/runc,intfrr/runc,dqminh/runc,whuwxl/libcontainer,LTD-Beget/libcontainer,rajasec/runc,w4ngyi/libcontainer,mikebrow/runc,talwai/runc,cyphar/runc,chenchun/runc,wking/runc,marcosnils/runc,estesp/libcontainer,mrunalp/libcontainer,clnperez/runc,mheon/libcontainer,cloudfoundry-incubator/runc,clnperez/runc,SaiedKazemi/libcontainer-criu,booyaa/runc,fabiokung/runc,estesp/libcontainer,hqhq/libcontainer,ChengTiesheng/runc,ChengTiesheng/runc,YujiOshima/runc,zenlinTechnofreak/runc,jhjeong-kr/runc,rootfs/runc,wcwxyz/runc,rajasec/runc,dieface/runc,wking/runc,rootfs/runc,crosbymichael/runc,jwuwork/runc,hqhq/runc,axsh/runc,jhowardmsft/runc,adrianreber/runc,haijunTan/runc,adrianreber/runc,mheon/libcontainer,shakamunyi/libcontainer,opencontainers/runc