Paparazzi 5.7.1_testing
=======================

Second release candidate for v5.8 stable release.

- SPI slave implemented and tested for STM32F4
  [#1456] (https://github.com/paparazzi/paparazzi/pull/1456)
- Added support for Elle0 V1.2
  [#1465] (https://github.com/paparazzi/paparazzi/pull/1465)
- Bebop: fix motor directions
  [#1466] (https://github.com/paparazzi/paparazzi/pull/1466)
  [#1468] (https://github.com/paparazzi/paparazzi/pull/1468)
  [#1474] (https://github.com/paparazzi/paparazzi/pull/1474)
- stereo camera modules: obstacle avoidance and follow me
  [#1462] (https://github.com/paparazzi/paparazzi/pull/1462)
  [#1472] (https://github.com/paparazzi/paparazzi/pull/1472)
  [#1473] (https://github.com/paparazzi/paparazzi/pull/1473)
- fix video_rtp_stream and bebop_front_camera if not using UDP for telemetry
- modules xml requires doc and description now
- Modules can be used like subsystems in airframe files
  [#1471] (https://github.com/paparazzi/paparazzi/pull/1471)
- rotorcraft rate controller setpoints in deg/s
  [#1479] (https://github.com/paparazzi/paparazzi/pull/1479)
- Guided mode for rotorcrafts
  [#1457] (https://github.com/paparazzi/paparazzi/pull/1457)
- naze32: PPM input on PA0 by default
  [#1481] (https://github.com/paparazzi/paparazzi/pull/1481)