web/resources/css/bootstrap.css : updated bg color for the well style.
web/resources/css/styles.css :: updated row bg colors.
student/grades.xhtml :: added row alternate colors.
student/inbox.xhtml :: removed inline row colors.
teacher/attendance.xhtml :: added alternate row colors.
teacher/index.xhtml :: added alternate row colors.
student/grades.xhtml :: added row alternate colors.
student/index.xhtml :: added alternate row colors.
student/attendance.xhtml :: added bread crumb style.
controller/StudentAttendanceController.java :: added row classes.