[xml] test updates
[stm32] ppm: update some comments
[baro_ms5611] yet another baro hack until we have a proper baro interface
Also see #106
Totally untested!
To use the baro_ms511 for altitude estimation add to your aiframe file:
firmware section:
<define name="USE_BAROMETER"/>
<define name="USE_BARO_MS5611"/>
<define name="INS_BARO_SENS" value="1.0"/>
modules:
<load name="baro_ms5611_i2c.xml/>
<load name="baro_board.xml">
  <define name="BARO_ABS_EVENT" value="BaroMs5611Update"/>
</load>
[conf] update Twinstar_energyadaptive example