refactor components to be in a registry.

src/scripts/components/radiogroup.js

@@ -0,0 +1,11 @@
+'use strict';
+
+module.exports = {
+  name: 'radiogroup',
+  template: require('../../templates/items/radiogroup.tpl'),
+  manipulator: require('../lib/manipulators').radiogroup,
+  defaults: {
+    label: '',
+    options: []
+  }
+};