private void CreateClient(AltitudeAngelClient.Create aaClientFactory)
{
string stateString = _missionPlanner.LoadSetting("AAWings.Token");
AuthorizationState existingState = null;
if (stateString != null)
{
existingState = JsonConvert.DeserializeObject<AuthorizationState>(stateString);
}
_aaClient = aaClientFactory(ConfigurationManager.AppSettings["AuthURL"],
ConfigurationManager.AppSettings["APIURL"], existingState);
}