Minor updates before eballot

[domguinard]

Decisions:

• CR1 - [ ] @mgh128 to Provide an example of a response from a standing query subscription, in which the queryName and subscriptionID are populated
• CR3 - [X ] @domguinard to merge GS1-EPCIS-Extensions and GS1-CBV-Extension into a single GS1-Extensions header
• CR6 - [ ] @domguinard to replace resources returning arrays with: { "@context": [ "https://ns.gs1.org/epcis", { "ex": "https://example.org/ext"} ], "list": ["ObjectEvent", "ex:MyEvent"] }
• CR7 - [ ] @jmcanterafonseca-iota to provide a sanity check of all request and response headers
• CR9 - [ ] @domguinard to remove the Link header - no pagination needed - all other resources /bizLocations, /epcs, /capture should support pagination.
• CR19 - [X] @domguinard to add explanations about the fact that we are sending full EPCISQueryDocuments