Add d3.
Add d3 hotness.
Add json to watch.
JsHint json too.
Add simplified data.
Add node wip.
Move click handler to d3.
Move graph update to function.
Uncomment and remove unnecessary app prefix.
Add node with double click.
Try out other code for adding/removing
Add double click add.
Clean up app object.
Bigger circle.
Add rgb-lights.
Connect up Primus server.
Add some nodes on the servers to readme.
Add colour hardware code.
Add photo sensor connection.
Docs on setup.