title: Reset remaining leaves in Odoo 8
body: <p>I have tried to reset remaining leaves with out increment allocated leaves.
  Ex:
  1) Initially i have allocated 10 days legal leave for employee1.
  2) Approved two days legal leave for employee1.</p>
  
  <p>Now employee1 has 8 remaining out of 10 legal leaves. I need to add two days legal leave to employee1. result should be <strong>(10 remaining out of 10).</strong></p>
  
  <p>I have created a leave allocation of two days for this employee1.
  The result is 10 remaining out of 12.
  how can i resolve this.</p>
  
  <p>I need to reset remaining leaves of all employees every year.</p>