Review and update configuration references in Configuring AMQ Broker guide

There are a number of configuration references included as appendices in the Configuring AMQ Broker guide:

• Acceptor and connector configuration parameters: https://access.redhat.com/documentation/en-us/red_hat_amq/2020.q4/html/configuring_amq_broker/acceptor_connector_params
• Address setting elements: https://access.redhat.com/documentation/en-us/red_hat_amq/2020.q4/html/configuring_amq_broker/address_setting_attributes
• Cluster connection elements: https://access.redhat.com/documentation/en-us/red_hat_amq/2020.q4/html/configuring_amq_broker/cluster_connection_elements
• Command-line tools: https://access.redhat.com/documentation/en-us/red_hat_amq/2020.q4/html/configuring_amq_broker/cli_tools
• Messaging journal elements: https://access.redhat.com/documentation/en-us/red_hat_amq/2020.q4/html/configuring_amq_broker/configuring_message_journal
• Replication high-availability elements: https://access.redhat.com/documentation/en-us/red_hat_amq/2020.q4/html/configuring_amq_broker/replication_elements

Each of these references should be reviewed for completeness and accuracy and updated as necessary.