Merge pull request #3482 from riking/patch-3

Import/Export site customizations

app/assets/javascripts/admin/controllers/admin-customize-css-html.js.es6

@@ -1,3 +1,5 @@
+import showModal from 'discourse/lib/show-modal';
+
 /**
   This controller supports interface for creating custom CSS skins in Discourse.
 
@@ -21,6 +23,10 @@ export default Ember.ArrayController.extend({
       this.set('selectedItem', item);
     },
 
+    importModal: function() {
+      showModal('upload-customization');
+    },
+
     /**
       Select a given style