YAML for new DECC subdomains
Merge branch 'newmappings'

Conflicts:
	data/sites/decc_ceo.yml
DH Mappings
Adding decc digital strategy
DH Mappings to resolve news as pubs missing, plus furls
New DH mappings, News as Pubs, and Furls
Remove wrong file
whitelist www.dfid.gov.uk
2 new DH mappings