Webpack refactor

- added JSX support (webpack + robofile
- added public.js bundle
- refactored webpack config for clarity
- added settings.jsx form example
- fixed acceptance test failing on login

RoboFile.php

@@ -9,7 +9,9 @@ class RoboFile extends \Robo\Tasks {
 
   private $js_files = array(
     'assets/js/src/*.js',
-    'assets/js/src/**/*.js'
+    'assets/js/src/*.jsx',
+    'assets/js/src/**/*.js',
+    'assets/js/src/**/*.jsx'
   );
 
   function install() {