title: How to define every five minutes to run jobs
body: <p>How to define every five minutes to run jobs</p>
  
  <p>in the play.jobs.every class ,it define an example every("1h") to run job every hour,bu i want to run every 5 minutes,how to define this.</p>
  
  <p>i try the every("5m") or every("0.1h") ,play reports internal error.</p>