enable flash when it's too dark
1. try to add high angle shot.
2. try to enable the usage of WebCam like device
debug file transfer
debug file transfer
try to improve the strategy in position adjusting
Merge branch 'milestone1' of code.csdn.net:QawsQAER/esdc2014 into milestone1
update /source/motion_platform/Arduino
Merge branch 'milestone1' of code.csdn.net:QawsQAER/esdc2014 into milestone1
change the IMG_EXP_FACE_HEIGHT to 1/6 of the whole image height,
and fix bug -> calculate the distance every time a target is detected
Merge branch 'milestone1' of code.csdn.net:QawsQAER/esdc2014 into milestone1