Update sensor data from grovepi to gateway internal.
Update sensor data from grovepi to gateway internal.

gerald-yang/ubuntu-iotivity-demo,gerald-yang/ubuntu-iotivity-demo,gerald-yang/ubuntu-iotivity-demo,gerald-yang/ubuntu-iotivity-demo,gerald-yang/ubuntu-iotivity-demo,gerald-yang/ubuntu-iotivity-demo,gerald-yang/ubuntu-iotivity-demo,gerald-yang/ubuntu-iotivity-demo