added field title for table news in db and changed all connected with it.
removed point "Pages" from menu (it willn't be implemented).
refactored history.php, index.php, main.php, news/news.php, podrobnee.php, show_zar.php, show/view_all.php, show_zar.php pages.
implemented admin/blocks/change/change_user_all.php, admin/blocks/delete/delete_user.php, admin/blocks/change/change_user_form.php, admin/blocks/add/add_photo.php (photo isn't complited).