Merge pull request #116 from rjc123/newmappings

New Mappings
Merge pull request #117 from rjc123/newmappings

New mappings for DWP
Set up DWP subdomains for redirector
Set up DWP subdomains
Set up DWP subdomains on fetch
Merge pull request #119 from rjc123/newsites

Set up for DWP subdomains research.dwp, statistics.dwp
Merge pull request #118 from rjc123/newmappings

New mappings for Number10 and DWP