Move ES2015 example into a subpage of the NodeServicesExamples sample

samples/misc/NodeServicesExamples/Node/transpilation.js

@@ -0,0 +1,12 @@
+var fs = require('fs');
+var babelCore = require('babel-core');
+
+module.exports = function(cb, physicalPath, requestPath) {
+    var originalContents = fs.readFileSync(physicalPath);
+    var result = babelCore.transform(originalContents, {
+        presets: ['es2015'],
+    	sourceMaps: 'inline',
+    	sourceFileName: '/sourcemapped' + requestPath
+    });
+    cb(null, result.code);
+}