Feature/nuance stt (#185)

* initial changes to gather to support nuance stt

* updateSpeechCredentialLastUsed could be called without a speech_credential_sid if credentials are passed in the flow

* fix bugname

* typo

* added handlers for nuance

* logging

* major refactor of parsing transcriptions

* initial support for nuance in transcribe verb

* updates from testing

* cleanup some tests

* update action

* typo

* gather: start nuance timers after say/play completes

* update drachtio-fsrmf

* refactor some code

* typo

* log nuance error detail

* timeout handling

* typo

* handle nuance 413 response when recognition times out

* typo in specs.json

* add support for nuance resources

* fixes and tests for transcribe

* remove logging from test

* initial support for kryptonEndpoint

* try getting access token even when using krypton

* typo in kryptonEndpoint property

* add support for Nuance tts

* parse nuance voice and model for tts

* use nuance credentials from db

* update to db-helpers@0.7.0 with caching option

* add support for azure audio logging in gather/transcribe

* sync package-lock.json

lib/utils/install-srf-locals.js

@@ -152,7 +152,8 @@ function installSrfLocals(srf, logger) {
     popFront,
     removeFromList,
     lengthOfList,
-    getListPosition
+    getListPosition,
+    getNuanceAccessToken
   } = require('@jambonz/realtimedb-helpers')({
     host: process.env.JAMBONES_REDIS_HOST,
     port: process.env.JAMBONES_REDIS_PORT || 6379
@@ -204,7 +205,8 @@ function installSrfLocals(srf, logger) {
       popFront,
       removeFromList,
       lengthOfList,
-      getListPosition
+      getListPosition,
+      getNuanceAccessToken
     },
     parentLogger: logger,
     getSBC,