ixus140_elph130 - implement extra long exposure support
ixus140_elph130 - update notes, missed in previous commit
ixus140_elph130 - filewrite task / remote capture jpeg support
ixus140_elph130 - set CAM_CAN_SD_OVER_IN_AF_LOCK_ONLY, CAMERA_MAX_DIST (may be wrong), update notes.txt