[REF] RegForm: mandatory event validation
[FIX] RegForm: Validation for section dialogs
[FIX] RegForm: SocialEvent Accompanying validation
[IMP] RegForm: validation enabled for ng-table
[IMP] RegForm: Section config dialog validate tab

Atomatic selection of the tab containing validation errors will only work from Angular 1.2 onwards
[FIX] RegForm: SocialEvent config frontend valid.