Perceptor config map change

[mattfenwick]

New perceptor configmap schema:

{
    "Hub": {
        "Host": "",
        "User": "",
        "PasswordEnvVar": "",
        "ClientTimeoutMilliseconds": 5000,
        "Port": 443,
        "ConcurrentScanLimit": 2,
        "TotalScanLimit": 1000
    },
    "PruneOrphanedImagesPauseMinutes": 9999999,
    "UseMockMode": false,
    "Port": 3001,
    "LogLevel": debug
}