added os in config

config/nodes.default.js

@@ -13,24 +13,28 @@ var nodes = [
 	{
 		name: 'instance 1',
 		type: 'C++',
+		os: 'linux',
 		rpcHost: '54.173.252.182',
 		rpcPort: '8080'
 	},
 	{
 		name: 'instance 2',
 		type: 'C++',
+		os: 'linux',
 		rpcHost: '54.209.133.248',
 		rpcPort: '8080'
 	},
 	{
 		name: 'instance 3',
 		type: 'C++',
+		os: 'linux',
 		rpcHost: '54.174.67.126',
 		rpcPort: '8080'
 	},
 	{
 		name: 'local',
 		type: 'C++',
+		os: 'OS X',
 		rpcHost: 'localhost',
 		rpcPort: '8080'
 	}