Merge pull request #2763 from ameukam/update_efk_stack

roles/download/defaults/main.yml

...ps/efk/elasticsearch/templates/efk-clusterrolebinding.yml

roles/kubernetes-apps/efk/elasticsearch/templates/efk-sa.yml

...k/elasticsearch/templates/elasticsearch-deployment.yml.j2

roles/kubernetes-apps/efk/fluentd/defaults/main.yml

...bernetes-apps/efk/fluentd/templates/fluentd-config.yml.j2

...s/kubernetes-apps/efk/fluentd/templates/fluentd-ds.yml.j2

roles/kubernetes-apps/efk/kibana/defaults/main.yml

...rnetes-apps/efk/kibana/templates/kibana-deployment.yml.j2