Feature/recent calls enhancement with sp (#47)

* write cdrs and alerts with service_provider_sid

* update to latest @jambonz/http-authenticator which sends sip headers

* add call_sid to cdr when call is connected

* write call counts by SP as well as account, bugfix to allow digit '0' in dtmf-relay

app.js

@@ -15,6 +15,7 @@ const opts = Object.assign({
 const logger = require('pino')(opts);
 const {
   writeCallCount,
+  writeCallCountSP,
   queryCdrs,
   writeCdrs,
   writeAlerts,
@@ -71,6 +72,7 @@ const {getRtpEngine, setRtpEngines} = require('@jambonz/rtpengine-utils')([], lo
 srf.locals = {...srf.locals,
   stats,
   writeCallCount,
+  writeCallCountSP,
   queryCdrs,
   writeCdrs,
   writeAlerts,
@@ -96,12 +98,14 @@ srf.locals = {...srf.locals,
   }
 };
 const {
+  getSPForAccount,
   wasOriginatedFromCarrier,
   getApplicationForDidAndCarrier,
   getOutboundGatewayForRefer
 } = require('./lib/db-utils')(srf, logger);
 srf.locals = {
   ...srf.locals,
+  getSPForAccount,
   wasOriginatedFromCarrier,
   getApplicationForDidAndCarrier,
   getOutboundGatewayForRefer,