Minor cleanups in Led class
v0.8.12
Led.prototype.strobe doesn't need to change the mode to OUTPUT
v0.8.13
Corrections to fade math. Fixes gh-453
v0.8.14
Tests for gh-453
Changed the link to Raspi-IO
Merge pull request #454 from bryan-m-hughes/master

Changed the link to Raspi-IO
Remove local es7-shim.js
run motor.js through jsbeautifier
run piezo.js through jsbeautifier
Run all files through jsbeautifier
Don't assign a new object to Board.Drivers[this.opts.address]