Fixed some login issues
Update teacher.php
Update students_layout.php
Update teacher_m.php
Update teacher_m.php
Update students_layout.php
Update teacher.php
Update teacher.php
Merge pull request #18 from beingcooper/master

Update teacher.php
Fixed errors in the merged files
Merge pull request #17 from nkmittal4994/edit_teacher

Edit teacher
Admin->Teachers: Fixed the edit form for teacher for the frontend
Admin->Teachers: Fixes the backend of the teacher edit
Update subject_m.php

Display students who are being taught by that very teacher
Update teacher.php
Admin->Teachers: Changed the entire layout
Admin->Teachers: Added the necessary backend files for the newly added options
Merge pull request #20 from sarthakjain1994/master

Update subject_m.php
Teacher->Students: Fixed errors with displaying only those semester related to the teacher
Teacher->Students: Cleaned up the function