index.html became index.php

Modifications to index.php and admin folder
Validation and user login/remember/session done

login: denjer@mail.ru
password: 55555
Validation still needs some improvement
Merge branch 'master' of https://github.com/AlexRule7/The-Cheesecake

Conflicts:
	index.php
	js/jquery.ui.styling.js
	stylesheets/screen.css