updated todos
Disable MVC response header.
Remove server header.
Application requeue strategy update following soak test
Application ETL: only queue application status updates where the application status has changed.
Adding communication execption to acceptable requeue list
Added explanation for CloudFlare cookies. Needs review from Dave.
Add some comments to the code that removes Server and Mvc headers.
Merge changes.
Sort by distance no longer appears in nationwide results.

Removed hardcoded ClosingDate sorting in nationwide results.
Simple backoff strategy for requeuing
Merge branch 'master' into henry_a11yfixes