Clean up application controller

ember/app/controllers/application.js

@@ -10,19 +10,7 @@ export default Ember.Controller.extend({
 	// controllers/views.
 	pageTitle: '',
 
-	// When either the forum title or the page title changes, we want to
+	backButtonTarget: null,
-	// refresh the document's title.
-	updateTitle: function() {
-		var parts = [this.get('forumTitle')];
-		var pageTitle = this.get('pageTitle');
-		if (pageTitle) {
-			parts.unshift(pageTitle);
-		}
-		document.title = parts.join(' - ');
-	}.observes('pageTitle', 'forumTitle'),
-
-	// Whether or not a pane is currently pinned to the side of the interface.
-	panePinned: false,
 
 	searchQuery: '',
 	searchActive: false,

ember/app/views/application.js

@@ -11,6 +11,17 @@ var $ = Ember.$;
 
 export default Ember.View.extend({
 
+    // When either the forum title or the page title changes, we want to
+    // refresh the document's title.
+    updateTitle: function() {
+        var parts = [this.get('controller.forumTitle')];
+        var pageTitle = this.get('controller.pageTitle');
+        if (pageTitle) {
+            parts.unshift(pageTitle);
+        }
+        document.title = parts.join(' - ');
+    }.observes('controller.pageTitle', 'controller.forumTitle'),
+
     title: function() {
         return this.get('controller.forumTitle');
     }.property('controller.forumTitle'),