Minimal start with a custom logger and device tracker.

test/util/logger.js

@@ -0,0 +1,12 @@
+var chai = require('chai')
+var expect = chai.expect
+
+var logger = require('../../lib/util/logger')
+
+describe('Logger', function() {
+
+  it('should have a createLogger method', function() {
+    expect(logger).itself.to.respondTo('createLogger')
+  })
+
+})