Add data-link-context to collection fragment.
Refactor sequencing to include context name
Merge branch 'master' into refactor-sequencing
Refactor collection json endpoint to use CollectionCache.getColleciton()
Refactor collection json endpoint to use CollectionCache.getColleciton()
Fix typo: location -> path
Rename collectionCache to collectionAgent
Merge pull request #2432 from guardian/refactor-sequencing

Refactor contextual sequencing