Updated pre-launch mappings for HMT
Merge pull request #163 from rjc123/newsites

Updated pre-launch mappings for HMT
Treasury prelaunch mappings
New home office mapping
Merge pull request #164 from rjc123/newsites

Revised HMT prelaunch mappings
continue to support dg wildcards for the moment
Set up DFE on redirector-data process
Merge branch 'master' of git://github.com/alphagov/redirector