Addition of config for centralcontent sub (fco)
Added test for centralcontent sub (FCO)
Added mappings for centralcontent sub (FCO)
Merge pull request #90 from alphagov/adding_new_site

Added centralcontent.fco.gov.uk config and mappings
Merge branch 'master' of git://github.com/alphagov/redirector into newmappings
new mappings for DH