merge features from hosted branch (#32)

major merge of features from the hosted branch that was created temporarily during the initial launch of jambonz.org

lib/utils/sbc-pinger.js

@@ -68,6 +68,8 @@ module.exports = (logger) => {
 
   // send OPTIONS pings to SBCs
   async function pingProxies(srf) {
+    if (process.env.NODE_ENV === 'test') return;
+
     for (const sbc of sbcs) {
       try {
         const ms = srf.locals.getFreeswitch();