Change dialogue app utils to build the config's endpoints correctly
Change dialogue app to map delivery class names to endpoint names
Fix weird indentation of comments in dummy_polls.js
Add a test for dialogue app for when not endpoint is found for a delivery class
More indentation fixes for dummy_poll.js
Merge branch 'feature/issue-1056-use-the-same-endpoint-name-in-dialogue-app-and-ui-for-send-action' into develop