fixed code style
fixed code style
fixed getRequest
cleaned code
fixed review issues
Merge branch 'feature/smart-content-source-selection' of git://github.com/sulu-cmf/SuluContentBundle into feature/smart-content-source-selection

Conflicts:
	Controller/NodeController.php
Merge branch 'feature/smart-content-source-selection' of git://github.com/sulu-cmf/SuluContentBundle into feature/resource-locator-api

Conflicts:
	Controller/NodeController.php
	Repository/NodeRepositoryInterface.php