refactor components to be in a registry.

src/scripts/components/select.js

@@ -0,0 +1,21 @@
+'use strict';
+
+module.exports = {
+  name: 'select',
+  template: require('../../templates/items/select.tpl'),
+  manipulator: require('../lib/manipulators').val,
+  defaults: {
+    label: '',
+    options: []
+  },
+  initialize: function() {
+    var self = this;
+
+    var $value = self.$element.select('.value');
+
+    self.on('change', function(ev) {
+      var value = self.$manipulatorTarget.select('option:checked').get('innerHTML');
+      $value.set('innerHTML', value);
+    });
+  }
+};