* Add language to conversation and intent response
* Move language to intent response instead of speech
* Extend intent response for voice MVP
* Add tests for error conditions in conversation/process
* Move intent response type data into "data" field
* Move intent response error message back to speech
* Remove "success" from intent response
* Add id to target in intent response
* target defaults to None
* Update homeassistant/helpers/intent.py
* Fix test
* Return conversation_id and multiple targets
* Clean up git mess
* Fix linting errors
* Fix more async_handle signatures
* Separate conversation_id and IntentResponse
* Add unknown error code
* Add ConversationResult
* Don't set domain on single entity
* Language is required for intent response
* Add partial_action_done
* Default language in almond agent
Co-authored-by: Paulus Schoutsen <balloob@gmail.com>