Commited by Riasat Raihan
update by foreign key,
created multiple user
Merge branch 'master' of https://github.com/riasat97/multipledatabase

Conflicts:
	.idea/workspace.xml
	admin_css/960.css
	admin_css/main.css
	application/controllers/home.php
	application/controllers/super_admin.php
	application/controllers/super_user.php
	application/controllers/user_login.php
	application/models/super_admin_model.php
	application/models/super_user_model.php
	application/models/user_login_model.php
	application/views/admin/login.php
	application/views/admin/view_product.php
	application/views/user/edit_product_form.php
	application/views/user/user_login.php