making headlines on the samples page more visible
[wip] adding json schema for describing our api
added missing surrounding parenthesis
renamed schema/shipments.json
renamed to schema/shipments_request.json to reflect that it's a request definition
don't show legend because we're using json schema now
added page to show json schema definition
don't allow additional properties for shipments or packages
moved package definition to definitions.json
don't allow additional properties for addresses
changed wording
added shipments response schema