it is a wrapper for mpu6050 library modified for ESP8266 compatibility from Emanuele Buchicchio
https://github.com/emanbuc/ESP8266_MPU6050

this wrapper provide on B4R interface, all functions of this library available in Arduino.

this wrapper provide 2 class:
   - mpu6050 with all functions 
   - mpu6050_data with all parameters needed to manage the library

several examples B4R are added, based on examples.ino.