Fixed the latest bugs

1) commented validation for project  from viewTicket.jsp
2) Added basic style to createTicket and viewTicket.jsp files.
3) Updated mail message in updateservlet.java
Updated getAssignee.java

Updated sql qry - to get the users with role Developer only.
Though it says "team lead" role, it is actually developer role.
(Refer LoginPage.jsp - select dropdown for roles.)