WiFi controlled LED

Oh well. It's probably not that big of a deal; I think it's only needed once per connection anyways.

Yeah, the Espruino is actually quite powerful, and I don't imagine there would be any performance impact when using WebSockets.

I was a bit curious on power consumption, and measured:

brightness   	Color/# updates     mA
0.00%	          black	            21
100.00%	          white	            25
100.00%	          blue	            26
100.00%	          red	            25
100.00%           green	            25
100.00%	          4 req/second	    65
100.00%	          10 req/second	    65
100.00%	          100 req/second	66
0	              black	            21
50.00%	          white	            61
25.00%	          white	            61
75.00%	          white	            47