Bulleted labels, targets where clicked, error message if no questions on menu click

git-svn-id: https://plugins.svn.wordpress.org/qwiz-online-quizzes-and-flashcards/trunk@989798 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update version number in qwiz-...php

git-svn-id: https://plugins.svn.wordpress.org/qwiz-online-quizzes-and-flashcards/trunk@989804 b8457f37-d9ea-0310-8a92-e5e31aec5664