Update bbb.tmpl/bbb-exporter.nginx, bbb.tmpl/bbb-grafana.nginx,...

Update bbb.tmpl/bbb-exporter.nginx, bbb.tmpl/bbb-grafana.nginx, bbb.tmpl/bbb-html5.nginx, bbb.tmpl/demo.nginx, bbb.tmpl/greenlight.nginx, bbb.tmpl/notes.nginx, bbb.tmpl/presentation-slides.nginx, bbb.tmpl/presentation.nginx, bbb.tmpl/sip.nginx, bbb.tmpl/verto.nginx, bbb.tmpl/web.nginx, bbb.tmpl/webhooks.nginx, bbb.tmpl/webrtc-sfu.nginx, nginx.sh files