[TASK] Refactor LLL features to LanguageFile Utility
[TASK] Huge cleanup in Controller base class
Merge pull request #282 from NamelessCoder/refactor

[TASK] Refactor to improve structure and clean up controller
[TASK] Adapt test of Link Wizard Component to cover all cases
[BUGFIX] Respect argument 'required' for input and text fields
Merge pull request #290 from bjo3rnf/required

[BUGFIX] Respect argument 'required' for input and text fields