title: Get non expiring Access Token from Box or Get access token from box by passing UserName and Password.?
body: <p>I got the Access Token using Box Api but it is expiring in 1 hour. 
  What I want here is,</p>
  
  <p>Either I need non expiring access token or get the access token by passing my Box User Id and Password to API.</p>
  
  <p>If above things are possible let me know the way.</p>
  
  <p>Thanks in advance..</p>