working on #276: initial implementation and basic functionalities
working on #276:

put the ZAD-AdressPostfix Strings in an I18N-properties
file, so that they can be changed by the customer
working on #276: wrong file
working on #276:

put the ZAD-AdressPostfix Strings in an I18N-properties
file, so that they can be changed by the customer
fixes #276:

1) Highlight ZAD Adresses (bold)
2) put ZAD Adresses on top of list
Merge branch 'feature/276-ZAD-Adresses-in-ALKIS' into dev