Changes to Bulk provision a set of new things within the AWS IoT Device Registry

api tag Bulk Registrations added

api tag Bulkr Registrations removed

api tag Bulkr Registrations added

api tag Bulkregistrations removed

added optional request body

added the media type application/vnd.aws-cdf-v1.0+json for the response with the status 201

added the media type application/vnd.aws-cdf-v1.0+json for the response with the status 400

added the media type application/vnd.aws-cdf-v1.0+json for the response with the status 404