FairCom Edge JSON Hub API: broker connections

The JSON Hub API: broker connection actions are part of the JSON MQ API. This section provides actions to configure, delete, describe, and list broker connections.

Action	Description
`"configureBrokerConnection"`	`"configureBrokerConnection"` creates or updates a reusable connection to an external broker, which may be another instance of FairCom MQ, FairCom Edge, or an MQTT broker from another vendor.
`"deleteBrokerConnection"`	`"deleteBrokerConnection"` deletes a previously created broker connection.
`"describeBrokerConnections"`	`"describeBrokerConnections"` returns information about specified broker connections.
`"listBrokerConnections"`	`"listBrokerConnections"` lists all available broker connections that have been created.