* initial changes to support deepgram stt
* fixes for normalizing vendor-specific transcriptions
* update to latest drachtio-fsmrf with support for deepgram stt
* deepgram parsing error
* hints support for deepgram
* handling deepgram errors
* ignore late arriving transcripts for deepgram
* handling of empty transcripts
* transcribe changes
* allow deepgram stt credentials to be provided at run time
* bind channel in transcription handler
* fixes for transcribe when handling empty transcripts
* more empty transcript fixes
* update tests to latest modules
* add test cases for deepgram speech recognition
* 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
