generate right url
Merge branch 'develop' of git://github.com/sulu-cmf/SuluWebsiteBundle into feature/in-external-link
refactored node type
fixed website external link
added nodetype in nav item
fixed getter
Merge pull request #23 from sulu-cmf/feature/in-external-link

[FEATURE] generate right url for internal and external nodes
Added CONTRIBUTING
Merge branch 'develop' of git://github.com/sulu-cmf/SuluWebsiteBundle into hotfix/no-link

Conflicts:
	Navigation/NavigationMapper.php