Use name config field instead of user store and metric store fields in dialogue app's config
Remove unnecessary and broken DELETE check.
Revert "Remove unnecessary and broken DELETE check."

This reverts commit 7906153b4718f34ed31c193a8e80b171e567209c.

Reverting commit accidentally commited straight to develop.
Remove unnecessary DELETE check.
Add test for deleted form element.
Add test for deleting entries from app_multiplexer router forms.
Merge branch 'feature/issue-912-fix-keyword-form' into develop
Fix poll loading in vumi_app.js (it's already JSON).
Fix test config require function.
Log events as we did before the migration to sandbox toolkit v02.
Check that switched to state messages are logged when processing messages.
Remove broken poll state from dummy polls (these always cause the poll to fail and aren't useful as generic test data).
Mark poll data as not JSON when setting up tests.
Merge branch 'feature/issue-913-fix-poll-loading' into develop
Merge branch 'develop' into feature/issue-908-show-outbound-uniques