add help menu in top right corner
Merge pull request #112 from SenecaCDOT-BigBlueButton/add-help-menu

add help menu in top right corner
To add a help page dynamically, please add the following code in the page:  
<script type="text/javascript">
	    $(document).ready(function() {
	        $("#help").attr({href:"help_file_name.jsp" ,
                             target:"_blank"});
	    });
    </script>