added init method to simplify systemReset function and enable FirmataSerial->flush() to be called
commented out unsetFirmwareVersion in Firmata.cpp and commented out test in firmata_test.ino. Renamed pin13strobe to strobeBlinkPin. Blink version only when using default hardware serial.
Merge pull request #45 from soundanalogous/dev

Commenting out unsetFirmwareVersion and associated unit test. Renamed pin13Strobe.