{
    "_id": "simpleshelf-configuration-custom",
    "type": "configuration",
    "configurationType": "custom",
    "messages": {
        "global": {
            "warning": "This demo server does not allow changes.  Attempts to add, edit or delete books will fail."
        }
    }
}

{
    "_id": "simpleshelf-configuration-custom",
    "type": "configuration",
    "configurationType": "custom",
    "messages": {
        "global": [
            {"warning": "This demo server does not allow changes.  Attempts to add, edit or delete books will fail.", "dismiss": false}
        ]
    }
}

Switch demo messages to new format
Switch demo messages to new format
