Update CHANGELOG-1.16.md for v1.16.0-rc.2.
Update CHANGELOG-1.16.md for v1.16.0-rc.2.

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