Banner done.
Sign In validation done.
Show courses in main page dropdown box.
MainServlet structure done.
Conflicts resolved
Merge remote-tracking branch 'origin/master' into Daniel

Conflicts:
	StudentAttendanceJPA/src/com/project/data/Attendance.java
	StudentAttendanceJPA/src/com/project/data/Course.java
	StudentAttendanceJPA/src/com/project/data/Courseschedule.java
	StudentAttendanceWeb/.classpath
	StudentAttendanceWeb/src/com/project/servlet/MainServlet.java