Geir - new login flow

SketchSystems.spec

Geir - new login flow
  page load -> NotAuthenticated

  NotAuthenticated
    CheckForSessionCookie*
      has session cookie -> Authenticated
      no session cookie -> OrgCodeScreen

    CheckForCognitoProvidedValues
    
    OrgCodeScreen
  
    UserEnteredNetworkName
  
  Authenticated
    log out -> NotAuthenticated
    session expires -> NotAuthenticated

    NetworkSelection*

SketchSystems_prototype.js

function render(model){
  let current_state_name = model.active_states[0].name;
  return $("h1",
           {style: {color: "darkBlue"}},
           `The current state is: ${current_state_name}`);
}