uploading login module
Merge branch 'Issue#2' of https://github.com/LanPadolina/VotingSystem into Issue#1

Conflicts:
	.idea/workspace.xml
	app/config/bootstrap.php
	app/config/core.php
	app/config/database.php
	app/config/sql/board.sql
	app/helpers/html_helper.php
	app/helpers/validation_helper.php
	app/tmp/logs/debug.log
	app/tmp/logs/php.log
	app/views/layouts/default.php
	app/webroot/.htaccess
	app/webroot/bootstrap/js/bootstrap.js
	app/webroot/bootstrap/js/bootstrap.min.js
uploading revised user authentication
Add rating function to Ordinary and Admin Users