Bluz 7.0.0

• Created Controller\Controller class with Helpers
• Created Controller\Mapper class
• Added support @acl tag to Controller\Reflection
• Added Proxy\Request::getMethod()
• Added Cli\CliResponse
• Added cookies implementation - fixed #362
• Added switchinf of content type to Response logic
• Added validate and assert methods to Db\Row
• Added method readSet() to Crud\Table realization
• Added transaction for call SELECT COUNT(*) queries (for grid and crud)
• Helpers redirect(), redirectTo and reload was moved to Proxy\Response