Transfer gyro low pass filter to estimate.ino

Separate raw gyro data and filtered rates to different variables

gazebo/flix.h

@@ -26,6 +26,7 @@ float motors[4];
 int16_t channels[16]; // raw rc channels
 float controls[RC_CHANNELS];
 Vector acc;
+Vector gyro;
 Vector rates;
 Quaternion attitude;