/schema/install-database.sql :: added default records in role
/schema/install-database.sql :: added default records in users table.
model/Users.java :: updated the model and removed unnecessary relations.
model/Users.java :: added getters for determining the user role.
model/Role.java :: removed unnecessary relations.
controller/UserController.java :: updated the controller to redirect the user to respective modules based on the user's role.
index.jsp :: removed index.jsp which is no longer needed.
controller/UserController.java :: removed the isAdmin method, which is now part of the users model.
filter/AuthorizationFilter.java :: added a web filter to protect the authorized pages in admin, teach and student modules.
teacher/Test.xhtml :: removed the test page.
admin/index.xhtml :: added default admin page.
admin/index.xhtml :: added default student page.
admin/index.xhtml :: added default teacher page.
controller/UserController.java :: organized the import section to follow the code style rules.
css/bootstrap.css :: added bootstrap css file.
images :: added graphics for new layout.
css/styles.css :: added styles for new layout.
index.xhtml :: updated the default home page (login) with new styles.
admin/index.xhtml :: added new layout styles to the admin hone page.
student/index.xhtml :: added new layout styles to the student hone page.