code: private function addRouters()
  	{
  		$builder = $this->getContainerBuilder();
  
  		// Get application router
  		$router = $builder->getDefinition('router');
  
  		// Init collections
  		$routerFactories = array();
  
  		foreach ($builder->findByTag(self::TAG_ROUTER) as $serviceName => $priority) {
  			// Priority is not defined...
  			if (is_bool($priority)) {
  				// ...use default value
  				$priority = 100;
  			}
  
  			$routerFactories[$priority][$serviceName] = $serviceName;
  		}
  
  		// Sort routes by priority
  		if (!empty($routerFactories)) {
  			krsort($routerFactories, SORT_NUMERIC);
  
  			foreach ($routerFactories as $priority => $items) {
  				$routerFactories[$priority] = $items;
  			}
  
  			// Process all routes services by priority...
  			foreach ($routerFactories as $priority => $items) {
  				// ...and by service name...
  				foreach($items as $serviceName) {
  					$factory = new Nette\DI\Statement(array('@' . $serviceName, 'createRouter'));
  					$router->addSetup('offsetSet', array(NULL, $factory));
  				}
  			}
  		}
  	}
docs: Loads all services tagged as router
  and adds them to router service
  
  @author: Adam Kadlec <adam.kadlec@gmail.com>
  @date: 08.10.14