Cope with non-default timezone in redirects for /all endpoint
Merge branch 'master' into all-index-controller-timezone-fix
Merge branch 'master' into all-index-controller-timezone-fix

Conflicts:
	applications/test/AllIndexControllerTest.scala
Revisited tests. May need some additional thought for better ways to test reliably (use of db vs. live API calls etc).
Merge branch 'master' into all-index-controller-timezone-fix
Merge pull request #6378 from guardian/all-index-controller-timezone-fix

All index controller timezone fix