Gyro emit data or change event when calibrated

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Adding Notes To Piezo

- Updated notes / octaves available to the Piezo Object.
- Added script piezo-note-scale.js to ./eg/
Updated Notes

- renamed eb to d#
- renamed bb to a#
- updated piezo-note-scale.js to reflect new notes
- updated test/piezo.js to account for new notes
Merge pull request #424 from McDonnellDean/piezo_note_additions

Note Additions For Piezo (For Discussion)
v0.8.3

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Bubble the string event from IO layer
v0.8.4
Adds Dean McDonnell to contributors
Clean up in test/board.js

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Enable initializing Servo instances on analog pins.
v0.8.5
Initial Led.Digits.prototype.print
v0.8.6
LedControl defaults to on

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
v0.8.7
First Commit of Animation
v0.8.8

Introduces Animation API
Adding docs for phoenix.js
More IR sensor alias entries
Don't assume Serialport exists unless necessary.