New: ask if a tag has multiple sponsors
Merge branch 'master' into recogniseMultipleSponsors
Fixed compilation error
Merge branch 'master' into recogniseMultipleSponsors
add sponsor info to template, for non-js
Merge branch 'master' into recogniseMultipleSponsors
Pages can now tell if they have multiple sponsors
Content with multiple sponsors print a generic msg.

To avoid sponsor clash.
Merge branch 'master' into recogniseMultipleSponsors
Integrated recommended changes, fixed build
Merge branch 'master' into recogniseMultipleSponsors
Merge pull request #5980 from guardian/recogniseMultipleSponsors

Content sponsorships now work without JS