Move over initial editor code, split templates into smaller pieces

tests/javascript/newsletter_editor/components/config.spec.js

@@ -0,0 +1,9 @@
+describe('Config', function () {
+    it('loads and stores configuration', function() {
+        EditorApplication.module('components.config').setConfig({
+            testConfig: 'testValue',
+        });
+        var model = EditorApplication.module('components.config').getConfig();
+        expect(model.get('testConfig')).to.equal('testValue');
+    });
+});