Merge branch BACK with 'origin/master'
implement roles fromarticle http://yiiframework.ru/doc/cookbook/ru/access.rbac.file
fixing layout and login form
add backend base controller
configure filter rules, base backend controller, auth box markup changes
try gitignore for testdrive.db
update gitingnore global
update gitingnore global
update gitingnore global
set prefix for backend user session, flash messages of login page
fix autoloader rename Backend namespace to B, Frontend F
Override standart Yii class and import() method to support custom autoload in import()
move auth classes to User\Auth
move auth classes to User\Auth - others
fix bAuthManager
add password_compat lib via composer and PasswordManage wrapper
set sqllite connection as db_sqlite in common config
fix passowrd manage
Override DB and PDO classes to provide support of DEBUGing SQL method with placeholders substituted
fix DbConn