* Added "alternativePublication" to Programme Publication and Application Publication.
* Added "trailer", ""simulcast", "ondemand", "catchup", "recommendation", "advert", "telescoped-advert", "speedbump", "product-purchase", "recap", "making-of", "static-segmentation", "live-segmentation", "live-post-segmentation", "post- segmentation", "content-package", "supplemental-information", "best-of" and "extract" link relation types.
* Removed "supportingMaterial" from Content and mandate use links of type "supplemental-material" instead.