resolve 404 for a policy
Resolve DH 404
Updated mappings for fix 404
Merge branch 'master' of git://github.com/alphagov/redirector
Merge pull request #169 from rjc123/master

Fixing some 404s
Merge pull request #170 from rjc123/newsites

New mappings for UKEF
Merge pull request #168 from rjc123/404kill

Resolve 404 for a policy
added <site>.redirector.<env>.alphagov.co.uk hosts for testing
Merge pull request #171 from rjc123/newsites

Whitelist for Number10
Merge pull request #172 from rjc123/newsites

Whitelist for Number 10
Merge branch 'master' of git://github.com/alphagov/redirector into newsites