* Send messages and chats to elasticsearch

* Remove ConversationResource and move endpoints to resources where they "logically fit in"
* Move "event handling" from customer support ui to api

JUT-52 & JUT-53 Inform client that support is closed when trying to request help at a time when support isn't working

* Fix client being able to talk to the bot after being reassigned
* Fix client not being assigned as "needing support" when reassigned from one institution to another

* Display last known message origin of client in conversation
* Move functions into services that are better suited for them
* Rename client support header title

JUT-87 Add visual distinction between chats that require and don't require customer service intervention

* Create new field to store vote value
* Add functionality to save vote

JUT-58 (PART 1) Add functionality to extract "intent data" from validated chats and save it into the model

JUT-60 && JUT-61 Add conversation validation in labeling view and button to remove chat from labeling