Add CHANGELOG-1.16.md for v1.16.0-alpha.1.
Add CHANGELOG-1.16.md for v1.16.0-alpha.1.

wongma7/kubernetes,u2takey/kubernetes,ravilr/kubernetes,MHBauer/kubernetes,luxas/kubernetes,coolsvap/kubernetes,liggitt/kubernetes,mosoft521/kubernetes,idvoretskyi/kubernetes,weiwei04/kubernetes,johscheuer/kubernetes,BenTheElder/kubernetes,coolsvap/kubernetes,pmorie/kubernetes,jingxu97/kubernetes,stevesloka/kubernetes,mYmNeo/kubernetes,aveshagarwal/kubernetes,ii/kubernetes,andrewsykim/kubernetes,tomzhang/kubernetes,aledbf/kubernetes,jdef/kubernetes,linux-on-ibm-z/kubernetes,saad-ali/kubernetes,erwinvaneyk/kubernetes,kow3ns/kubernetes,tomzhang/kubernetes,cofyc/kubernetes,maciaszczykm/kubernetes,PI-Victor/kubernetes,nak3/kubernetes,aveshagarwal/kubernetes,intelsdi-x/kubernetes,frodenas/kubernetes,matthyx/kubernetes,tengqm/kubernetes,jdef/kubernetes,jsafrane/kubernetes,olivierlemasle/kubernetes,aledbf/kubernetes,tengqm/kubernetes,Hui-Zhi/kubernetes,ravisantoshgudimetla/kubernetes,mahak/kubernetes,yujuhong/kubernetes,chrislovecnm/kubernetes,nak3/kubernetes,Lion-Wei/kubernetes,spzala/kubernetes,du2016/kubernetes,intelsdi-x/kubernetes,mosoft521/kubernetes,PiotrProkop/kubernetes,aledbf/kubernetes,intelsdi-x/kubernetes,fanzhangio/kubernetes,Lion-Wei/kubernetes,yarntime/kubernetes,MHBauer/kubernetes,mikebrow/kubernetes,roberthbailey/kubernetes,du2016/kubernetes,mYmNeo/kubernetes,zetaab/kubernetes,dlorenc/kubernetes,wongma7/kubernetes,JacobTanenbaum/kubernetes,ingvagabund/kubernetes,joelsmith/kubernetes,micahhausler/kubernetes,bizhao/kubernetes,mboersma/kubernetes,matthyx/kubernetes,mfojtik/kubernetes,alejandroEsc/kubernetes,kubernetes/kubernetes,jfrazelle/kubernetes,MHBauer/kubernetes,lichuqiang/kubernetes,mml/kubernetes,DiamantiCom/kubernetes,tcnghia/kubernetes,chrislovecnm/kubernetes,quinton-hoole/kubernetes,MikeSpreitzer/kubernetes,verult/kubernetes,klaus1982/kubernetes,khenidak/kubernetes,csrwng/kubernetes,Clarifai/kubernetes,fejta/kubernetes,aveshagarwal/kubernetes,alejandroEsc/kubernetes,davidz627/kubernetes,roberthbailey/kubernetes,Acidburn0zzz/kubernetes,hex108/kubernetes,rrati/kubernetes,wanghaoran1988/kubernetes,li-ang/kubernetes,dixudx/kubernetes,mml/kubernetes,dlorenc/kubernetes,jennybuckley/kubernetes,kubernetes/kubernetes,li-ang/kubernetes,stevesloka/kubernetes,hex108/kubernetes,Lion-Wei/kubernetes,liggitt/kubernetes,tomerf/kubernetes,wenlxie/kubernetes,Lion-Wei/kubernetes,DiamantiCom/kubernetes,kevin-wangzefeng/kubernetes,linux-on-ibm-z/kubernetes,tpepper/kubernetes,njuicsgz/kubernetes-1,nak3/kubernetes,fabriziopandini/kubernetes,pmorie/kubernetes,mYmNeo/kubernetes,alejandroEsc/kubernetes,fanzhangio/kubernetes,andrewrynhard/kubernetes,deads2k/kubernetes,Acidburn0zzz/kubernetes,ingvagabund/kubernetes,nckturner/kubernetes,yarntime/kubernetes,tpepper/kubernetes,LalatenduMohanty/kubernetes,wanghaoran1988/kubernetes,sethpollack/kubernetes,k82cn/kubernetes,PI-Victor/kubernetes,olivierlemasle/kubernetes,wanghaoran1988/kubernetes,JacobTanenbaum/kubernetes,humblec/kubernetes,nikhita/kubernetes,mboersma/kubernetes,cblecker/kubernetes,micahhausler/kubernetes,jennybuckley/kubernetes,xlgao-zju/kubernetes,ping035627/kubernetes,brendandburns/kubernetes,rafax/kubernetes,micahhausler/kubernetes,xychu/kubernetes,bparees/kubernetes,aledbf/kubernetes,PI-Victor/kubernetes,x13n/kubernetes,kubernetes/kubernetes,mml/kubernetes,quinton-hoole/kubernetes,tomzhang/kubernetes,joelsmith/kubernetes,andrewrynhard/kubernetes,nikhita/kubernetes,ixdy/kubernetes,ii/kubernetes,andrewrynhard/kubernetes,x13n/kubernetes,yarntime/kubernetes,tpepper/kubernetes,chrislovecnm/kubernetes,dixudx/kubernetes,kitt1987/kubernetes,gnufied/kubernetes,cofyc/kubernetes,jfrazelle/kubernetes,andrewsykim/kubernetes,iterion/kubernetes,zhouhaibing089/kubernetes,kow3ns/kubernetes,openshift/kubernetes,pires/kubernetes,mkumatag/kubernetes,mboersma/kubernetes,cblecker/kubernetes,roberthbailey/kubernetes,dlorenc/kubernetes,ixdy/kubernetes,chrislovecnm/kubernetes,ping035627/kubernetes,wenlxie/kubernetes,wenlxie/kubernetes,lojies/kubernetes,tallclair/kubernetes,huangjiuyuan/kubernetes,jackfrancis/kubernetes,iameli/kubernetes,bizhao/kubernetes,mosoft521/kubernetes,johscheuer/kubernetes,mengqiy/kubernetes,zhangmingld/kubernetes,ingvagabund/kubernetes,iterion/kubernetes,aveshagarwal/kubernetes,derekwaynecarr/kubernetes,mboersma/kubernetes,jagosan/kubernetes,huangjiuyuan/kubernetes,davidz627/kubernetes,nckturner/kubernetes,shyamjvs/kubernetes,lojies/kubernetes,nak3/kubernetes,u2takey/kubernetes,zetaab/kubernetes,dereknex/kubernetes,luxas/kubernetes,ravisantoshgudimetla/kubernetes,iterion/kubernetes,Acidburn0zzz/kubernetes,pires/kubernetes,huangjiuyuan/kubernetes,mikebrow/kubernetes,openshift/kubernetes,frodenas/kubernetes,pweil-/kubernetes,weiwei04/kubernetes,coolsvap/kubernetes,li-ang/kubernetes,frodenas/kubernetes,MHBauer/kubernetes,zhangmingld/kubernetes,dims/kubernetes,ravilr/kubernetes,joelsmith/kubernetes,ConnorDoyle/kubernetes,lojies/kubernetes,feiskyer/kubernetes,kubernetes/kubernetes,DiamantiCom/kubernetes,thockin/kubernetes,njuicsgz/kubernetes-1,quinton-hoole/kubernetes,mikedanese/kubernetes,dereknex/kubernetes,maciaszczykm/kubernetes,Clarifai/kubernetes,fgimenez/kubernetes,soltysh/kubernetes,kow3ns/kubernetes,humblec/kubernetes,BenTheElder/kubernetes,huangjiuyuan/kubernetes,mikebrow/kubernetes,cadmuxe/kubernetes,micahhausler/kubernetes,kevin-wangzefeng/kubernetes,mYmNeo/kubernetes,jessfraz/kubernetes,dlorenc/kubernetes,yarntime/kubernetes,liggitt/kubernetes,mkumatag/kubernetes,zhangmingld/kubernetes,sanjeevm0/kubernetes,cantbewong/kubernetes,maciaszczykm/kubernetes,nckturner/kubernetes,sethpollack/kubernetes,andrewsykim/kubernetes,klaus1982/kubernetes,humblec/kubernetes,nikhita/kubernetes,rnaveiras/kubernetes,saad-ali/kubernetes,saad-ali/kubernetes,u2takey/kubernetes,olivierlemasle/kubernetes,ping035627/kubernetes,enj/kubernetes,tomzhang/kubernetes,frodenas/kubernetes,deads2k/kubernetes,verb/kubernetes,jessfraz/kubernetes,njuicsgz/kubernetes-1,JacobTanenbaum/kubernetes,ping035627/kubernetes,jdef/kubernetes,ravisantoshgudimetla/kubernetes,xlgao-zju/kubernetes,mikedanese/kubernetes,bizhao/kubernetes,klaus1982/kubernetes,frodenas/kubernetes,tengqm/kubernetes,derekwaynecarr/kubernetes,kevensen/kubernetes,saad-ali/kubernetes,intelsdi-x/kubernetes,wanghaoran1988/kubernetes,shyamjvs/kubernetes,GulajavaMinistudio/kubernetes,jackfrancis/kubernetes,fejta/kubernetes,chestack/kubernetes,x13n/kubernetes,johscheuer/kubernetes,joelsmith/kubernetes,tomerf/kubernetes,zhouhaibing089/kubernetes,k82/kubernetes,dereknex/kubernetes,krmayankk/kubernetes,lichuqiang/kubernetes,dixudx/kubernetes,spzala/kubernetes,matthyx/kubernetes,sanjeevm0/kubernetes,MikeSpreitzer/kubernetes,khenidak/kubernetes,jackfrancis/kubernetes,iterion/kubernetes,jackfrancis/kubernetes,verb/kubernetes,klaus1982/kubernetes,errordeveloper/kubernetes,pweil-/kubernetes,enj/kubernetes,feiskyer/kubernetes,errordeveloper/kubernetes,rrati/kubernetes,x13n/kubernetes,deads2k/kubernetes,ConnorDoyle/kubernetes,jessfraz/kubernetes,davidz627/kubernetes,khenidak/kubernetes,andrewsykim/kubernetes,fejta/kubernetes,ingvagabund/kubernetes,coolsvap/kubernetes,micahhausler/kubernetes,derekwaynecarr/kubernetes,kevensen/kubernetes,bizhao/kubernetes,khenidak/kubernetes,u2takey/kubernetes,kpgriffith/kubernetes,tomerf/kubernetes,mengqiy/kubernetes,du2016/kubernetes,fabriziopandini/kubernetes,li-ang/kubernetes,jsafrane/kubernetes,monopole/kubernetes,PiotrProkop/kubernetes,ConnorDoyle/kubernetes,olivierlemasle/kubernetes,tomerf/kubernetes,mfojtik/kubernetes,ixdy/kubernetes,xychu/kubernetes,Hui-Zhi/kubernetes,jessfraz/kubernetes,wenlxie/kubernetes,cadmuxe/kubernetes,pwittrock/kubernetes,cmluciano/kubernetes,tpepper/kubernetes,cofyc/kubernetes,k82/kubernetes,enj/kubernetes,jdef/kubernetes,mml/kubernetes,stevesloka/kubernetes,ravilr/kubernetes,tcnghia/kubernetes,tomzhang/kubernetes,aveshagarwal/kubernetes,mengqiy/kubernetes,wongma7/kubernetes,BenTheElder/kubernetes,thockin/kubernetes,DiamantiCom/kubernetes,fabriziopandini/kubernetes,kitt1987/kubernetes,xlgao-zju/kubernetes,mboersma/kubernetes,mfojtik/kubernetes,ConnorDoyle/kubernetes,pweil-/kubernetes,nak3/kubernetes,GulajavaMinistudio/kubernetes,fejta/kubernetes,derekwaynecarr/kubernetes,zetaab/kubernetes,cantbewong/kubernetes,alejandroEsc/kubernetes,yarntime/kubernetes,thockin/kubernetes,JacobTanenbaum/kubernetes,derekwaynecarr/kubernetes,davidz627/kubernetes,k82cn/kubernetes,dims/kubernetes,monopole/kubernetes,tcnghia/kubernetes,aveshagarwal/kubernetes,pires/kubernetes,dereknex/kubernetes,ravisantoshgudimetla/kubernetes,jessfraz/kubernetes,lojies/kubernetes,u2takey/kubernetes,jagosan/kubernetes,alejandroEsc/kubernetes,fabriziopandini/kubernetes,johscheuer/kubernetes,spzala/kubernetes,wenlxie/kubernetes,ii/kubernetes,feiskyer/kubernetes,tomzhang/kubernetes,PI-Victor/kubernetes,pwittrock/kubernetes,kitt1987/kubernetes,PI-Victor/kubernetes,iameli/kubernetes,soltysh/kubernetes,kpgriffith/kubernetes,luxas/kubernetes,cblecker/kubernetes,weiwei04/kubernetes,cofyc/kubernetes,intelsdi-x/kubernetes,jagosan/kubernetes,idvoretskyi/kubernetes,Hui-Zhi/kubernetes,jennybuckley/kubernetes,erwinvaneyk/kubernetes,idvoretskyi/kubernetes,cadmuxe/kubernetes,fgimenez/kubernetes,humblec/kubernetes,MHBauer/kubernetes,monopole/kubernetes,bizhao/kubernetes,k82cn/kubernetes,bizhao/kubernetes,monopole/kubernetes,MikeSpreitzer/kubernetes,linux-on-ibm-z/kubernetes,tomzhang/kubernetes,linux-on-ibm-z/kubernetes,dixudx/kubernetes,njuicsgz/kubernetes-1,tcnghia/kubernetes,k82/kubernetes,kpgriffith/kubernetes,liggitt/kubernetes,jingxu97/kubernetes,idvoretskyi/kubernetes,yarntime/kubernetes,Hui-Zhi/kubernetes,csrwng/kubernetes,carlory/kubernetes,njuicsgz/kubernetes-1,verult/kubernetes,sdminonne/kubernetes,saad-ali/kubernetes,dlorenc/kubernetes,tomerf/kubernetes,bparees/kubernetes,chrislovecnm/kubernetes,wanghaoran1988/kubernetes,verult/kubernetes,pwittrock/kubernetes,sanjeevm0/kubernetes,tengqm/kubernetes,mahak/kubernetes,pwittrock/kubernetes,nikhita/kubernetes,bparees/kubernetes,tallclair/kubernetes,Acidburn0zzz/kubernetes,ixdy/kubernetes,deads2k/kubernetes,thockin/kubernetes,dereknex/kubernetes,fanzhangio/kubernetes,krmayankk/kubernetes,GulajavaMinistudio/kubernetes,olivierlemasle/kubernetes,lichuqiang/kubernetes,sethpollack/kubernetes,erwinvaneyk/kubernetes,joelsmith/kubernetes,Acidburn0zzz/kubernetes,errordeveloper/kubernetes,jingxu97/kubernetes,iameli/kubernetes,fanzhangio/kubernetes,quinton-hoole/kubernetes,rafax/kubernetes,gnufied/kubernetes,coolsvap/kubernetes,johscheuer/kubernetes,quinton-hoole/kubernetes,csrwng/kubernetes,xychu/kubernetes,lojies/kubernetes,feiskyer/kubernetes,maciaszczykm/kubernetes,mahak/kubernetes,jennybuckley/kubernetes,jsafrane/kubernetes,rrati/kubernetes,hex108/kubernetes,tcnghia/kubernetes,verult/kubernetes,humblec/kubernetes,spzala/kubernetes,cadmuxe/kubernetes,pires/kubernetes,kitt1987/kubernetes,ii/kubernetes,cofyc/kubernetes,fgimenez/kubernetes,erwinvaneyk/kubernetes,tcnghia/kubernetes,jennybuckley/kubernetes,carlory/kubernetes,andrewsykim/kubernetes,luxas/kubernetes,openshift/kubernetes,tomzhang/kubernetes,mboersma/kubernetes,ingvagabund/kubernetes,stevesloka/kubernetes,PiotrProkop/kubernetes,chrislovecnm/kubernetes,wenlxie/kubernetes,cadmuxe/kubernetes,fanzhangio/kubernetes,lichuqiang/kubernetes,rafax/kubernetes,ravilr/kubernetes,tpepper/kubernetes,yujuhong/kubernetes,huangjiuyuan/kubernetes,fgimenez/kubernetes,iterion/kubernetes,cblecker/kubernetes,csrwng/kubernetes,Hui-Zhi/kubernetes,openshift/kubernetes,weiwei04/kubernetes,sdminonne/kubernetes,Clarifai/kubernetes,mosoft521/kubernetes,mahak/kubernetes,roberthbailey/kubernetes,zhouhaibing089/kubernetes,brendandburns/kubernetes,xychu/kubernetes,warmchang/kubernetes,khenidak/kubernetes,iterion/kubernetes,fabriziopandini/kubernetes,jfrazelle/kubernetes,andrewsykim/kubernetes,chestack/kubernetes,frodenas/kubernetes,xlgao-zju/kubernetes,krmayankk/kubernetes,fgimenez/kubernetes,DiamantiCom/kubernetes,verb/kubernetes,nikhita/kubernetes,krmayankk/kubernetes,zhouhaibing089/kubernetes,Lion-Wei/kubernetes,LalatenduMohanty/kubernetes,krmayankk/kubernetes,openshift/kubernetes,dims/kubernetes,soltysh/kubernetes,kow3ns/kubernetes,aledbf/kubernetes,ii/kubernetes,GulajavaMinistudio/kubernetes,mYmNeo/kubernetes,sethpollack/kubernetes,wanghaoran1988/kubernetes,warmchang/kubernetes,ravilr/kubernetes,li-ang/kubernetes,cadmuxe/kubernetes,carlory/kubernetes,maciaszczykm/kubernetes,carlory/kubernetes,zhangmingld/kubernetes,andrewrynhard/kubernetes,sanjeevm0/kubernetes,kevin-wangzefeng/kubernetes,errordeveloper/kubernetes,BenTheElder/kubernetes,u2takey/kubernetes,verb/kubernetes,enj/kubernetes,fanzhangio/kubernetes,gnufied/kubernetes,yujuhong/kubernetes,x13n/kubernetes,tallclair/kubernetes,pweil-/kubernetes,chestack/kubernetes,soltysh/kubernetes,rnaveiras/kubernetes,MikeSpreitzer/kubernetes,mikebrow/kubernetes,cantbewong/kubernetes,iameli/kubernetes,ravisantoshgudimetla/kubernetes,davidz627/kubernetes,ingvagabund/kubernetes,deads2k/kubernetes,njuicsgz/kubernetes-1,mfojtik/kubernetes,rnaveiras/kubernetes,cmluciano/kubernetes,rrati/kubernetes,tomerf/kubernetes,verb/kubernetes,verult/kubernetes,chestack/kubernetes,kitt1987/kubernetes,andrewrynhard/kubernetes,joelsmith/kubernetes,rnaveiras/kubernetes,matthyx/kubernetes,nckturner/kubernetes,pires/kubernetes,luxas/kubernetes,verult/kubernetes,LalatenduMohanty/kubernetes,linux-on-ibm-z/kubernetes,Clarifai/kubernetes,fejta/kubernetes,mikedanese/kubernetes,johscheuer/kubernetes,shyamjvs/kubernetes,xlgao-zju/kubernetes,erwinvaneyk/kubernetes,weiwei04/kubernetes,LalatenduMohanty/kubernetes,du2016/kubernetes,sethpollack/kubernetes,jfrazelle/kubernetes,ConnorDoyle/kubernetes,idvoretskyi/kubernetes,idvoretskyi/kubernetes,csrwng/kubernetes,fgimenez/kubernetes,yujuhong/kubernetes,zhangmingld/kubernetes,pmorie/kubernetes,pmorie/kubernetes,bparees/kubernetes,kevensen/kubernetes,ping035627/kubernetes,cblecker/kubernetes,erwinvaneyk/kubernetes,coolsvap/kubernetes,kubernetes/kubernetes,huangjiuyuan/kubernetes,mahak/kubernetes,roberthbailey/kubernetes,sanjeevm0/kubernetes,warmchang/kubernetes,brendandburns/kubernetes,kevensen/kubernetes,thockin/kubernetes,cmluciano/kubernetes,dlorenc/kubernetes,mkumatag/kubernetes,andrewrynhard/kubernetes,stevesloka/kubernetes,kow3ns/kubernetes,mikedanese/kubernetes,mengqiy/kubernetes,cmluciano/kubernetes,kevin-wangzefeng/kubernetes,jfrazelle/kubernetes,dims/kubernetes,yujuhong/kubernetes,kow3ns/kubernetes,maciaszczykm/kubernetes,tallclair/kubernetes,chestack/kubernetes,rnaveiras/kubernetes,spzala/kubernetes,BenTheElder/kubernetes,du2016/kubernetes,matthyx/kubernetes,cantbewong/kubernetes,weiwei04/kubernetes,MHBauer/kubernetes,gnufied/kubernetes,cofyc/kubernetes,wongma7/kubernetes,rafax/kubernetes,mkumatag/kubernetes,njuicsgz/kubernetes-1,jdef/kubernetes,zhouhaibing089/kubernetes,LalatenduMohanty/kubernetes,pweil-/kubernetes,liggitt/kubernetes,pmorie/kubernetes,xychu/kubernetes,tallclair/kubernetes,mikedanese/kubernetes,zetaab/kubernetes,zetaab/kubernetes,mml/kubernetes,tomzhang/kubernetes,kpgriffith/kubernetes,mikebrow/kubernetes,feiskyer/kubernetes,xlgao-zju/kubernetes,Lion-Wei/kubernetes,errordeveloper/kubernetes,brendandburns/kubernetes,gnufied/kubernetes,xychu/kubernetes,tengqm/kubernetes,stevesloka/kubernetes,zhangmingld/kubernetes,ConnorDoyle/kubernetes,errordeveloper/kubernetes,LalatenduMohanty/kubernetes,kevensen/kubernetes,ixdy/kubernetes,luxas/kubernetes,mYmNeo/kubernetes,jagosan/kubernetes,jagosan/kubernetes,jingxu97/kubernetes,krmayankk/kubernetes,k82cn/kubernetes,nckturner/kubernetes,shyamjvs/kubernetes,mml/kubernetes,cmluciano/kubernetes,pweil-/kubernetes,kitt1987/kubernetes,pwittrock/kubernetes,zetaab/kubernetes,k82/kubernetes,ravisantoshgudimetla/kubernetes,brendandburns/kubernetes,derekwaynecarr/kubernetes,brendandburns/kubernetes,njuicsgz/kubernetes-1,kevin-wangzefeng/kubernetes,soltysh/kubernetes,dixudx/kubernetes,mfojtik/kubernetes,jackfrancis/kubernetes,DiamantiCom/kubernetes,dims/kubernetes,bparees/kubernetes,mkumatag/kubernetes,lichuqiang/kubernetes,davidz627/kubernetes,Clarifai/kubernetes,jingxu97/kubernetes,sdminonne/kubernetes,mboersma/kubernetes,jennybuckley/kubernetes,ixdy/kubernetes,jdef/kubernetes,k82/kubernetes,hex108/kubernetes,sanjeevm0/kubernetes,mosoft521/kubernetes,mfojtik/kubernetes,cantbewong/kubernetes,pires/kubernetes,JacobTanenbaum/kubernetes,wongma7/kubernetes,Acidburn0zzz/kubernetes,shyamjvs/kubernetes,PiotrProkop/kubernetes,cmluciano/kubernetes,yujuhong/kubernetes,sdminonne/kubernetes,iameli/kubernetes,jsafrane/kubernetes,quinton-hoole/kubernetes,tallclair/kubernetes,warmchang/kubernetes,PI-Victor/kubernetes,saad-ali/kubernetes,monopole/kubernetes,carlory/kubernetes,PiotrProkop/kubernetes,pmorie/kubernetes,GulajavaMinistudio/kubernetes,mengqiy/kubernetes,jsafrane/kubernetes,tpepper/kubernetes,kpgriffith/kubernetes,Hui-Zhi/kubernetes,Clarifai/kubernetes,fejta/kubernetes,intelsdi-x/kubernetes,khenidak/kubernetes,MikeSpreitzer/kubernetes,pwittrock/kubernetes,enj/kubernetes,warmchang/kubernetes,hex108/kubernetes,JacobTanenbaum/kubernetes,rrati/kubernetes,cantbewong/kubernetes,sdminonne/kubernetes,hex108/kubernetes,mboersma/kubernetes,k82cn/kubernetes,kpgriffith/kubernetes,dereknex/kubernetes,lichuqiang/kubernetes,nak3/kubernetes,x13n/kubernetes