-Added ramp-down rate instead of instantly setting ramp to zero when throttle is dropped to bottom. This is to allow "warm-restart" if shutdown was unintentional.
-Actual ESC still goes to zero while throttle is dropped to the bottom, only the ramp counter winds down slowly behind the scenes.

add enable/disable to mavlinkcheckbox
modify my button to curved
add delay to progress reporter dialog. to ensure correct parent
Fix Mount screen for AP
Fix Hardware screen Text
display roi difrently
modify HIL/Quad Hil
update dataflashlog format (thanks randy)
update mavcmd format for roi

mavlink parameters are uppercase by convention

Enable by adding this line to APM_Config.h:
#define DMP_ENABLED ENABLED

AP_InertialSensor_MPU6000: changed DMP memory definition (dmpMem) to const uint8_t to remove SITL compile errors (hopefully)

Removed unused 'dump' variable from dmp_load_mem to reduce compiler warnings

ArduCopter: fixed HIL build by removing ability to change _kp and _kp_yaw gains (used for accel and gyro sensor mixing)

this allows users to adjust the base speed used for scaling roll/pitch
PIDs. This can be used to make PIDs work for both airspeed and
non-airspeed control

the SET_ROI commands are not supported yet

we are now 1.0 only

the old nav_roll will be used for the 2.50 release to prevent the need
for re-tuning. For the release after that we will use the new
calculation