Added multimaster environment variable.
Added multimaster environment variable.

aledbf/contrib,eastbanctech/kubernetes-contrib,spxtr/contrib,luxas/contrib,jasonbrooks/contrib,stephenrlouie/contrib,eparis/contrib,foxish/contrib,rchicoli/kubernetes-contrib,x13n/contrib,chiradeep/contrib,chiradeep/contrib,olark/kubernetes-contrib,cdemers/contrib,pwittrock/contrib,piosz/contrib,devlinmr/contrib,fcvarela/contrib,marketlogicsoftware/contrib,rmmh/kubernetes-contrib,stephenrlouie/contrib,gmarek/contrib,verb/contrib,jcmoraisjr/k8s-contrib,Q-Lee/contrib,widgetpl/contrib,gmarek/contrib,fcvarela/contrib,fcvarela/contrib,widgetpl/contrib,verb/contrib,cdemers/contrib,thockin/contrib,thockin/contrib,vishpat/contrib,kskalski/contrib,girishkalele/contrib,devlinmr/contrib,danushkaf/contrib,Q-Lee/contrib,pwittrock/contrib,vishpat/contrib,x13n/contrib,ixdy/kubernetes-contrib,verb/contrib,xialonglee/contrib,stephenrlouie/contrib,xialonglee/contrib,kskalski/contrib,spxtr/contrib,upmc-enterprises/contrib,kow3ns/contrib,chiradeep/contrib,stephenrlouie/contrib,girishkalele/contrib,eparis/contrib,xialonglee/contrib,danushkaf/contrib,aledbf/contrib,caesarxuchao/contrib,xialonglee/contrib,Q-Lee/contrib,kskalski/contrib,jcmoraisjr/k8s-contrib,ixdy/kubernetes-contrib,endocode/contrib,jcmoraisjr/k8s-contrib,aledbf/contrib,Wattpad/kubernetes-contrib,lewislyou/contrib,jcmoraisjr/k8s-contrib,jasonbrooks/contrib,Wattpad/kubernetes-contrib,moul/contrib,gmarek/contrib,jcmoraisjr/k8s-contrib,thockin/contrib,rmmh/kubernetes-contrib,marketlogicsoftware/contrib,widgetpl/contrib,grodrigues3/contrib,foxish/contrib,endocode/contrib,lewislyou/contrib,gouyang/contrib,piosz/contrib,endocode/contrib,hongchaodeng/contrib,grodrigues3/contrib,k8s-packages-power/contrib,micheleorsi/contrib,danushkaf/contrib,widgetpl/contrib,Wattpad/kubernetes-contrib,mikedanese/contrib,Wattpad/kubernetes-contrib,ingvagabund/contrib,widgetpl/contrib,caesarxuchao/contrib,lewislyou/contrib,mikedanese/contrib,ingvagabund/contrib,luxas/contrib,piosz/contrib,upmc-enterprises/contrib,foxish/contrib,k8s-packages-power/contrib,ixdy/kubernetes-contrib,stephenrlouie/contrib,rmmh/kubernetes-contrib,jasonbrooks/contrib,kow3ns/contrib,foxish/contrib,pwittrock/contrib,krzyzacy/contrib,pwittrock/contrib,eparis/contrib,rchicoli/kubernetes-contrib,danushkaf/contrib,girishkalele/contrib,spxtr/contrib,kow3ns/contrib,chiradeep/contrib,girishkalele/contrib,piosz/contrib,kskalski/contrib,marketlogicsoftware/contrib,luxas/contrib,pwittrock/contrib,chiradeep/contrib,thockin/contrib,micheleorsi/contrib,grodrigues3/contrib,krzyzacy/contrib,chiradeep/contrib,pwittrock/contrib,eparis/contrib,olark/kubernetes-contrib,eastbanctech/kubernetes-contrib,mikedanese/contrib,eastbanctech/kubernetes-contrib,fcvarela/contrib,gmarek/contrib,hongchaodeng/contrib,caesarxuchao/contrib,cdemers/contrib,olark/kubernetes-contrib,gouyang/contrib,ingvagabund/contrib,Pensu/contrib,verb/contrib,girishkalele/contrib,kow3ns/contrib,widgetpl/contrib,vishpat/contrib,ixdy/kubernetes-contrib,kow3ns/contrib,eastbanctech/kubernetes-contrib,danushkaf/contrib,jcmoraisjr/k8s-contrib,Q-Lee/contrib,Q-Lee/contrib,cdemers/contrib,caesarxuchao/contrib,gouyang/contrib,ingvagabund/contrib,gouyang/contrib,Wattpad/kubernetes-contrib,marketlogicsoftware/contrib,krzyzacy/contrib,Pensu/contrib,eastbanctech/kubernetes-contrib,marketlogicsoftware/contrib,foxish/contrib,olark/kubernetes-contrib,upmc-enterprises/contrib,piosz/contrib,upmc-enterprises/contrib,upmc-enterprises/contrib,jasonbrooks/contrib,thockin/contrib,endocode/contrib,spxtr/contrib,foxish/contrib,danushkaf/contrib,kow3ns/contrib,krzyzacy/contrib,k8s-packages-power/contrib,fcvarela/contrib,thockin/contrib,Wattpad/kubernetes-contrib,ingvagabund/contrib,rchicoli/kubernetes-contrib,grodrigues3/contrib,rchicoli/kubernetes-contrib,ixdy/contrib,moul/contrib,girishkalele/contrib,ixdy/contrib,gouyang/contrib,x13n/contrib,moul/contrib,Pensu/contrib,caesarxuchao/contrib,moul/contrib,gmarek/contrib,luxas/contrib,endocode/contrib,xialonglee/contrib,Q-Lee/contrib,upmc-enterprises/contrib,hongchaodeng/contrib,micheleorsi/contrib,lewislyou/contrib,olark/kubernetes-contrib,devlinmr/contrib,k8s-packages-power/contrib,aledbf/contrib,cdemers/contrib,rchicoli/kubernetes-contrib,aledbf/contrib,mikedanese/contrib,hongchaodeng/contrib,spxtr/contrib,spxtr/contrib,caesarxuchao/contrib,krzyzacy/contrib,vishpat/contrib,fcvarela/contrib,stephenrlouie/contrib,Pensu/contrib,hongchaodeng/contrib,cdemers/contrib,micheleorsi/contrib,devlinmr/contrib,Pensu/contrib,grodrigues3/contrib,olark/kubernetes-contrib,krzyzacy/contrib,eparis/contrib,vishpat/contrib,x13n/contrib,eparis/contrib,micheleorsi/contrib,vishpat/contrib,moul/contrib,x13n/contrib,luxas/contrib,lewislyou/contrib,rchicoli/kubernetes-contrib,micheleorsi/contrib,endocode/contrib,ixdy/kubernetes-contrib,marketlogicsoftware/contrib,rmmh/kubernetes-contrib,k8s-packages-power/contrib,verb/contrib,xialonglee/contrib,luxas/contrib,lewislyou/contrib,ingvagabund/contrib,mikedanese/contrib,rmmh/kubernetes-contrib,devlinmr/contrib,aledbf/contrib,Pensu/contrib,ixdy/contrib,x13n/contrib,ixdy/kubernetes-contrib,kskalski/contrib,k8s-packages-power/contrib,rmmh/kubernetes-contrib,verb/contrib,chiradeep/contrib,grodrigues3/contrib,gmarek/contrib,piosz/contrib,jasonbrooks/contrib,kskalski/contrib,eastbanctech/kubernetes-contrib,jasonbrooks/contrib,gouyang/contrib,hongchaodeng/contrib,mikedanese/contrib,devlinmr/contrib