Update property names for compatiblity reasons

Pilz.Updating.Administration/ProxyConfiguration.cs

@@ -1,4 +1,5 @@
-using Pilz.Cryptography;
+using Newtonsoft.Json;
+using Pilz.Cryptography;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -11,6 +12,7 @@ namespace Pilz.Updating.Administration
     {
         public bool UseProxyAuth { get; set; }
         public string Username { get; set; }
+        [JsonProperty("PasswordV3")]
         public SecureString Password { get; set; }
     }
 }

Pilz.Updating.Administration/UpdateServerConfig.cs

@@ -29,7 +29,7 @@ namespace Pilz.Updating.Administration
             }
         }
 
-        [JsonProperty("Password2")]
+        [JsonProperty("PasswordV3")]
         public SecureString Password { get; set; }
     }
 }