message: Swagger update for http20enabled and minTlsversion
diff: "items": {
  "$ref": "#/definitions/IpSecurityRestriction"
  }
  + },
  + "http20Enabled": {
  + "description": "Http20Enabled: configures a web site to allow clients to connect over http2.0",
  + "default": true,
  + "type": "boolean"
  + },
  + "minTlsVersion": {
  + "description": "MinTlsVersion: configures the minimum version of TLS required for SSL requests",
  + "enum": [
  + "1.0",
  + "1.1",
  + "1.2"
  + ],
  + "type": "string",
  + "x-ms-enum": {
  + "name": "SupportedTlsVersions",
  + "modelAsString": true
  + }
  }
  }
  },
  