Add conf extension

src/freedombone-app-jitsi

     fi
 
     if [ -f /etc/nginx/sites-available/${JITSI_DOMAIN_NAME} ]; then
-        nginx_dissite ${JITSI_DOMAIN_NAME}
+        nginx_dissite ${JITSI_DOMAIN_NAME}.conf
         if [ -d /var/www/${JITSI_DOMAIN_NAME} ]; then
             rm -rf /var/www/${JITSI_DOMAIN_NAME}
         fi
 
     # add jitsi repo
     jitsi_deb_repo=binary
-    apt-get -yq install wget debconf-utils
+    apt-get -yq install wget debconf-utils default-jre
     install_nodejs jitsi
     npm install -g browserify@13.1.1
     if ! grep "jitsi" /etc/apt/sources.list; then
     debconf-set-selections <<< "jitsi-meet jitsi-meet/cert-choice multiselect 1"
     apt-get -yq install jitsi-meet jitsi-meet-prosody
 
-    jitsi_nginx_site=/etc/nginx/sites-available/$JITSI_DOMAIN_NAME
+    jitsi_nginx_site=/etc/nginx/sites-available/${JITSI_DOMAIN_NAME}.conf
     if [[ $ONION_ONLY == "no" ]]; then
         function_check nginx_http_redirect
         nginx_http_redirect $JITSI_DOMAIN_NAME
     fi
 
     function_check nginx_ensite
-    nginx_ensite ${JITSI_DOMAIN_NAME}
+    nginx_ensite ${JITSI_DOMAIN_NAME}.conf
 
     set_completion_param "jitsi domain" "$JITSI_DOMAIN_NAME"