Add BLE central function, debug interface and refactor peripheral

1. Add debug interface on Serial1
2. Update BLE stack and need update BLE's FW
3. Reconstruct the BLE peripheral base on V3
4. Implement the BLE Central Role base on V3
5. Implement some sketches for new BLE library
6. Add central read/write example
7. Add set advertising parameter interface
8. Add API to allow set up advertising after setup
9. Add interface to set the device name

Author: sgbihu