Added canonical home for loggers. More config work need to be done here.

logger.js

@@ -0,0 +1,24 @@
+"use strict";
+
+var winston = require('winston')
+  , options = {
+      transports: [
+        new winston.transports.Console({
+          handleExceptions: true
+          , json: false
+          , exitOnError: false
+        })
+      ]
+    };
+
+winston.loggers.add('appium', options);
+winston.loggers.add('instruments', options);
+winston.addColors({
+  info: 'cyan'
+  , warn: 'yellow'
+  , error: 'error'
+});
+
+module.exports.get = function(name) {
+  return winston.loggers.get(name);
+};