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

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

@@ -0,0 +1,26 @@
+import Ember from 'ember';
+
+import ComposerBody from 'flarum/components/composer/composer-body';
+
+var precompileTemplate = Ember.Handlebars.compile;
+
+/**
+  The composer body for editing a post. Sets the initial content to the
+  content of the post that is being edited, and adds a title control to
+  indicate which post is being edited.
+ */
+export default ComposerBody.extend({
+  submitLabel: 'Save Changes',
+  content: Ember.computed.oneWay('post.content'),
+  originalContent: Ember.computed.oneWay('post.content'),
+
+  populateControls: function(controls) {
+    var title = Ember.Component.extend({
+      tagName: 'h3',
+      layout: precompileTemplate('Editing Post #{{component.post.number}} in <em>{{discussion.title}}</em>'),
+      discussion: this.get('post.discussion'),
+      component: this
+    });
+    controls.pushObjectWithTag(title, 'title');
+  }
+});