New mappings for Number10
New Number10 Mappings including sitemap
New DWP mappings
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
Initial mappings for DWP subdomains
Revised HMT mappings
Merge pull request #120 from rjc123/newmappings

Initial mappings for DWP subdomains
Merge pull request #121 from rjc123/newmappings

Revised HMT mappings