title: Find consecutive days of service without a day break in between
body: <p>service table:</p>
  
  <pre><code>claimid, customerid, serv-start-date, service-end-date, charge
  1, A1, 1-1-14 , 1-5-14 , $200
  2, A1, 1-6-14 , 1-8-14 , $300
  3, A1, 2-1-14 , 2-1-14 , $100
  4, A2, 2-1-14 , 2-1-14 , $100
  5, A2, 2-3-14 , 2-5-14 , $100
  6, A2, 2-6-14 , 2-8-14 , $100
  </code></pre>
  
  <p>Problem:
  Basically to see the maximum total consecutive days Service start date and end date.<br>
  for customer A1 it would be 8 days (1-5 plus 6-8) and customer A2 it would be <s>5</s> 6 days (3-5 plus 6-8) ... (claimid is unique PK).</p>
  
  <p>Dates are in m-d-yy notation.</p>