* Minor layout changes
* Refactored and added Tab->addValidators() and addFilters()
* Default form language not set rather than bogus value
Edit answer items minor edit
Docu question properties form and subforms (WIP)
AnswerDomain_Items: moved empty row and button into init()
Tests for MlText and AnswerDomain_Items (WIP)
Minor: change @param doc; set WebEnq4_Form default language back to 'en'