[BUGFIX] Inject missing ConfigurationManager in Render / Request
[BUGFIX] Early return in LanguageMenu ViewHelper if BE or missing object
[TASK] Add basic unit tests as generated by EXT:builder

This may very well be improved upon later but for now, it adds ~36% coverage to __the entire__ code base of EXT:vhs which is definitely a start :)
[TASK] Adjusted and protected tests which require special env
[TASK] Adjusted two remaining special env ViewHelper tests
[TASK] Adjust and protect more generated tests
Merge pull request #224 from NamelessCoder/tests

[TASK] Add a great big set of initial unit tests for ViewHelpers