v0.18

• New LED control layer
• Possibility to fly to a marker in the map
• image: update ROS network configuration
• aruco_map: show axis on map image
• aruco_map: add markers topic
• selfcheck.py: improvements
  • show errors in .launch-files
  • show errors in ROS nodes
  • show the number of markers in the map
  • print board rotation
• rangefinder's data topic changed to rangefinder/range
• Update mavros version
• Update kernel version
• image: rework assigning hostname
• simple_offboard: fix navigate_target frame publishing
• simple_offboard: add nav_from_sp parameter
• main_camera.launch: enable automatic rescaling camera calibration
• lots of fixes and improvements