Modification of the teensy code so it can send keycodes from the consumer page to an Arduino device.

Original source for Teensyduino 1.15 downloaded here: http://www.pjrc.com/teensy/teensyduino.html After installation of Teensyduino, source is located here (on OS X): /Applications/Arduino.app/Contents/Resources/Java/hardware/teensy

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