some modified files
Merge branch 'master' of https://github.com/kdgupta/lms

Conflicts:
	application/controllers/admin_books.php
	application/controllers/admin_users.php
	application/views/admin_books_add.php
	application/views/admin_books_edit.php
	application/views/admin_dashboard.php
	application/views/layout_main.php
	application/views/login_view.php
	application/views/view_books.php
	application/views/view_users.php