added i2cInit to load overlay if required
added i2cInit to load overlay if required

ims-tyler/PyBBIO,leftbrainstrain/PyBBIO,graycatlabs/PyBBIO,leftbrainstrain/PyBBIO,leftbrainstrain/PyBBIO,leftbrainstrain/PyBBIO,graycatlabs/PyBBIO,ims-tyler/PyBBIO,graycatlabs/PyBBIO,ims-tyler/PyBBIO,ims-tyler/PyBBIO,ims-tyler/PyBBIO,graycatlabs/PyBBIO,leftbrainstrain/PyBBIO,graycatlabs/PyBBIO