title: Problem avoiding first responder on a NSTextField
body: <p>I need to change behavior of input fields in a really simple app: 
  <img src="https://i.stack.imgur.com/RIiXS.png" alt="Simple OSX app"></p>
  
  <p>Whenever i launch the application the first text field get the focus, but i don't want this behavior. </p>
  
  <p>I tried checking "Refuses first responder" in IB. It works but with this option checked i can't move between input fields pressing "tab" button. </p>
  
  <p>What can i do to avoid focus at startup and keep the ability to move with tab keyboard button ? </p>