parse warnings/errors in app['design']['validationMessages'] to give more detail of why publishing fails

[ryran]

Here's an excerpt from some app json:

{
    "design": {
        "validationMessages": [
            {
                "text": "IP address (192.168.0.1) does not belong in subnet 10.1.1.11/255.255.0.0.", 
                "ref": 6174926881629337600, 
                "type": "ERROR", 
                "entities": [
                    {
                        "id": 6174926881629337600
                    }
                ]
            }
        ]
    }
}