use array instead of structure in twig
adjusted WebsiteController to use StructureResolver
updated navigation twig extensions to new template variables
adapted content_path twig function
Merge pull request #41 from sulu-cmf/feature/content-restructuring

[FEATURE] Restructured content for Twig template
Merge branch 'develop' of git://github.com/sulu-cmf/SuluWebsiteBundle into feature/request-format

Conflicts:
	Controller/WebsiteController.php