[issue #27] new wizard utils that allow for setting custom button texts of wizard descriptor instances
[issue #28] introduced new Localizable interface that enables custom l10n options for implementers, slight redesign of AbstractConverterChooseWizardPanel in order to introduce l10n options and to enable property support to ensure proper mvc design
Merge branch 'feature/27-wizard-utils' into dev
Merge branch 'feature/28-custom-l10n-for-converter-choose-panel' into dev