Merge pull request #13 from parallaxinc/master

Sync fork
Updated Sensor/Hardware Compatibility
Create joystick.js
Added license
Added base code
Switched from propc to Spin
Merge pull request #15 from DarkmatterVale/Sensors

Sensors
Merge pull request #16 from DarkmatterVale/ActivityBoard

Updated digital pins on Activity Board
Merge pull request #17 from DarkmatterVale/ActivityBoard

Updated digital pins on Activity Board
Added code
Added joystick
Added MacOS support
Merge pull request #18 from DarkmatterVale/Sensors

Sensors
Added Joystick to Spin
Merge pull request #19 from DarkmatterVale/master

Additional Blocks and bug fix