Added path for student login
Added routes for devise: users and also moved admin session controller routes to admin scope
Added users table
Merge solved
Fixed root_path error
Moved sessions controller for admin in admin namespace
Added devise gem
styled some fields
Fixed some errors and added some doubt comments
Added methods for the devise functionality
Added show method for users, and authentication before action
Changed method name from current_user to current_admin
Modified views, added html5 validations
added configuration for devise
added users table
Moved sessions controller to admin scope
Added files for user devise login functionality