ArduCopter: reduced Rate Roll and Pitch PID values

RATE_ROLL_P, RATE_PITCH_P reduced to 0.165 (was 0.185)
RATE_ROLL_D, RATE_PITCH_D reduced to 0.004 (was 0.008)

ArduCopter/config.h

@@ -698,26 +698,26 @@
 // Stabilize Rate Control
 //
 #ifndef RATE_ROLL_P
- # define RATE_ROLL_P        0.185
+ # define RATE_ROLL_P        0.165
 #endif
 #ifndef RATE_ROLL_I
  # define RATE_ROLL_I        0.0
 #endif
 #ifndef RATE_ROLL_D
- # define RATE_ROLL_D        0.008
+ # define RATE_ROLL_D        0.004
 #endif
 #ifndef RATE_ROLL_IMAX
  # define RATE_ROLL_IMAX         5.0                    // degrees
 #endif
 
 #ifndef RATE_PITCH_P
- # define RATE_PITCH_P       0.185
+ # define RATE_PITCH_P       0.165
 #endif
 #ifndef RATE_PITCH_I
  # define RATE_PITCH_I           0.0
 #endif
 #ifndef RATE_PITCH_D
- # define RATE_PITCH_D       0.008
+ # define RATE_PITCH_D       0.004
 #endif
 #ifndef RATE_PITCH_IMAX
  # define RATE_PITCH_IMAX        5.0                    // degrees