These are with the last commit

ember/app/controllers/index.js

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+import Ember from 'ember';
+
+import DiscussionResult from '../models/discussion-result';
+import PostResult from '../models/post-result';
+import PaneableMixin from '../mixins/paneable';
+
+export default Ember.Controller.extend(Ember.Evented, PaneableMixin, {
+	needs: ['application', 'composer', 'index/index', 'discussion'],
+
+	index: Ember.computed.alias('controllers.index/index'),
+
+	paneDisabled: Ember.computed.not('index.model.length'),
+
+	actions: {
+		transitionFromBackButton: function() {
+			this.transitionToRoute('index');
+		},
+
+		loadMore: function() {
+			this.get('index').send('loadMore');
+		},
+
+		newDiscussion: function() {
+			var composer = this.get('controllers.composer');
+            composer.set('minimized', false);
+            composer.set('showing', true);
+            composer.set('title', 'Discussion Title'); // needs to be editable
+            composer.set('delegate', this);
+		}
+	}
+});