title: Leapmotion: Controller is never Connected
body: <p>i have just started working on the leapmotion with java 
  And am facing a problem which is that the controller is never connected(though i've installed the device driver and the Visualizer is working and everything is working fine )
  my java version is "1.7.0_55"
  and i'm using Ubuntu 14.04 LTs</p>