Lots!

New navigation system, new 'about/settings/logout' page, some more types of dialog boxes added, some more minor things

lib/common/widgets/popupListView.dart

@@ -20,6 +20,7 @@ class PopupListView {
     for (var i = 0; i < options.length; i++) {
       dialogOptionsList.add(
         new SimpleDialogOption(
+          // print each iteration to see if any are null
           child: Text(options[i]),
           onPressed: () {
             Navigator.of(this.context).pop();
@@ -33,8 +34,6 @@ class PopupListView {
     return dialogOptionsList;
   }
 
-
-
   Widget dialog() {
     return new SimpleDialog(
       title: Text(listTitle),