More mappings for DPM
Merge branch 'master' of git://github.com/alphagov/redirector into newmappings
Merge pull request #124 from rjc123/newmappings

More mappings for DPM
fco has itemid query_strings
Merge pull request #125 from rjc123/master

Set up for DECC query strings
New DH mappings
Merge pull request #127 from rjc123/newmappings

New DH mappings