login page
login validation
- Fixed User/UserType entities.
- Updated LoginServlet to use NamedQuery, not PreparedStatement.
- IMSIServlet no longer shows blank page when no IMSIs found.
 - Shows table headers with no rows instead. 
- Passwords now saved and checked as SHA1 hashes, not plain-text.
 - Will need to add salting after registration finished.
Trying to push
Fixed merge errors from previous commit.
Change values for user roles
Updated web.xml for register servlet.
Started migration to new GUI stuff.
Changed web.xml and sysadduser.jsp
- Login page now connecting to database.
 - Not redirecting to correct pages yet.
Logins in to separate pages depending on user's usertype.
Loading jquery.min.js locally.
Fixed JS call in Login.jsp
Renamed Login.jsp to login.jsp, and moved to webpages folder.
Actually moved the file this time.
Updated header.jsp to logout using Servlet, not href.
Can now register users.
- Logout now working correctly.
- Register checks to make sure userName is unique.
- Register now has a "confirm password" field.
Failed login redirecting to login.jsp now go to root.
Images and CSS/JS now loading correctly.
IMSI Query now working.
Separated queries into multiple servlets by usergroup.