message: plugins: properly order plugins
  Makes it easier to compare.
diff: @@ -2,6 +2,8 @@ add_subdirectory(action)
  add_subdirectory(action_server)
  add_subdirectory(calibration)
  add_subdirectory(camera)
  +add_subdirectory(component_information)
  +add_subdirectory(component_information_server)
  add_subdirectory(failure)
  add_subdirectory(follow_me)
  add_subdirectory(ftp)
  @@ -18,14 +20,12 @@ add_subdirectory(mocap)
  add_subdirectory(offboard)
  add_subdirectory(param)
  add_subdirectory(param_server)
  +add_subdirectory(server_utility)
  add_subdirectory(shell)
  add_subdirectory(telemetry)
  +add_subdirectory(telemetry_server)
  add_subdirectory(tracking_server)
  -add_subdirectory(server_utility)
  add_subdirectory(transponder)
  -add_subdirectory(telemetry_server)
  -add_subdirectory(component_information)
  -add_subdirectory(component_information_server)
  add_subdirectory(tune)
  set(UNIT_TEST_SOURCES ${UNIT_TEST_SOURCES} PARENT_SCOPE)
  