Add mappings and canonicalise
Merge pull request #755 from rjc123/newmappings

Configure ideas.mod.uk and challenge.mod.uk
Remove unnecessary DirectGov rule
Merge pull request #750 from rjc123/directgov

Replace Directgov rule with mappings
Add global redirect for defra_ecolabel
Merge pull request #758 from rjc123/zendesk

Add global redirect for defra_ecolabel
Separate ideas.mod.uk to independent site and change ownership of science.mod.uk
Update target for challenge.mod.uk
Make naming of file consistent with naming of site DSTL
Change furl for mod_ideas
Change details and homepage of science.mod.uk
Change details and homepage of challenge.mod.uk