3.9.1-beta.1

• Adds a beacons param to Radar.trackVerified() and Radar.trackVerifiedToken() to support beacon ranging.
• Adds Radar.startTrackingVerified(token, interval, beacons), which calls Radar.trackVerified() or Radar.trackVerifiedToken() every interval seconds or on network connection changes and delivers updates to RadarReceiver or RadarVerifiedReceiver.
• Adds RadarVerifiedReceiver and Radar.setVerifiedReceiver() for the delivery of token updates.