title: woocommerce menu Cart , how to hide the cart tab when the cart is empty
body: <p>Please, I need your help.
  I installed the plugin: 
  woo commerce for WordPress.
  And the cart icon now on my Menu Bar.
  When i clicked on it , i will redirect to the shop page,
  I don't want to do that.
  I want  hide the cart tab icon  when the cart is empty : <a href="http://grab.by/AykC" rel="nofollow">http://grab.by/AykC</a></p>
  
  <p>If that is impossible,  How can i redirect my tab button when it is empty to a custom page ? Thanks
  Regards
  A.J.</p>