Merge pull request #1 from jrowberg/master

Update fork till MPU6050.cpp file update for ARM
PROGMEM compatibility for ARM Processors

gets rid of ‘pgm_read_byte’ errors on ARM processors.
Tested to be working with Texas Instruments’ Tiva C Series Launchpad.
Backwards compatible with Arduino Uno (tested and working).
Merge pull request #55 from udawat/master

PROGMEM compatibility for ARM Processors