adopted xsd schema
added navigation contexts to cache class
fixed test cases
added test cases
removed nav contexts from app config
fixed validate nav context function
fixed generation and test cass
fixed webspace dumping
added test cases
Merge branch 'develop' of git://github.com/sulu-cmf/sulu into feature/navigation-context-webspac
renamed variable
Merge branch 'develop' of git://github.com/sulu-cmf/sulu into feature/navigation-context-webspac
Merge branch 'feature/navigation-context-webspac' of git://github.com/sulu-cmf/sulu into feature/navigation-context-webspac
Merge branch 'feature/navigation-context-webspac' into develop