Move forum ember app into a subdir, preparing for admin app to exist alongside

ember/forum/app/components/composer/composer-reply.js

@@ -0,0 +1,22 @@
+import Ember from 'ember';
+
+import ComposerBody from 'flarum/components/composer/composer-body';
+
+var precompileTemplate = Ember.Handlebars.compile;
+
+/**
+  The composer body for posting a reply. Adds a title control to indicate
+  which discussion is being replied to.
+ */
+export default ComposerBody.extend({
+  submitLabel: 'Post Reply',
+
+  populateControls: function(items) {
+    var title = Ember.Component.extend({
+      tagName: 'h3',
+      layout: precompileTemplate('Replying to <em>{{component.discussion.title}}</em>'),
+      component: this
+    });
+    items.pushObjectWithTag(title, 'title');
+  }
+});