0.01: New App!
0.02: Make selection of background activity more explicit
0.03: Fix listener for accel always active
      Use custom UI with swipes instead of leftright
0.04: Fix compass heading
0.05: Added adjustment for Bangle.js magnetometer heading fix
0.06: Fix waypoint menu always selecting last waypoint
      Fix widget adding listeners more than once
0.07: Show checkered flag for target markers
      Single waypoints are now shown in the compass view