Sites and lists: 37 API change passages

Added the columnTypes enumeration type. Added the columnValidation resource type. Added the contentApprovalStatusColumn resource type. Added the displayNameLocalization resource type. Added the documentSet resource type. Added the documentSetContent resource type. Added the hyperlinkOrPictureColumn resource type. Added the termColumn resource type. Added the thumbnailColumn resource type. Added the contentApprovalStatus property to the columnDefinition resource. Added the hyperlinkOrPicture property to the columnDefinition resource. Added the isDeletable property to the columnDefinition resource. Added the isReorderable property to the columnDefinition resource. Added the isSealed property to the columnDefinition resource. Added the propagateChanges property to the columnDefinition resource. Added the term property to the columnDefinition resource. Added the thumbnail property to the columnDefinition resource. Added the type property to the columnDefinition resource. Added the validation property to the columnDefinition resource. Added the sourceColumn relationship to the columnDefinition resource. Added the associatedHubsUrls property to the contentType resource. Added the documentSet property to the contentType resource. Added the documentTemplate property to the contentType resource. Added the isBuiltIn property to the contentType resource. Added the propagateChanges property to the contentType resource. Added the base relationship to the contentType resource. Added the baseTypes relationship to the contentType resource. Added the columnPositions relationship to the contentType resource. Added the columns relationship to the contentType resource. Added the externalColumns relationship to the site resource. Added the addCopy method to the addCopy resource. Added the associateWithHubSites method to the associateWithHubSites resource. Added the copyToDefaultContentLocation method to the copyToDefaultContentLocation resource. Added the publish method to the publish resource. Added the unpublish method to the unpublish resource. Added the getApplicableContentTypesForList method to the getApplicableContentTypesForList resource. Added the isPublished method to the isPublished resource.