add license header where missing

...emantik/enginebased/afm/AfmAntragstellerHeaderMapper.java

...d/eingang/semantik/enginebased/afm/XmlMapperSupplier.java

...ngang/semantik/enginebased/afm/ZustaendigeStelleData.java

...ntik/enginebased/afm/ZustaendigeStelleMetadataMapper.java

...ang/semantik/enginebased/afm/intelliform/JsonService.java

...sed/mantelantrag/MantelantragZustaendigeStelleMapper.java

...tik/enginebased/afm/AfmAntragstellerHeaderMapperTest.java

...tik/enginebased/afm/ZustaendigeStelleDataTestFactory.java

...ebased/afm/ZustaendigeStelleMetadataFieldTestFactory.java

...nginebased/afm/ZustaendigeStelleMetadataMapperITCase.java

.../enginebased/afm/ZustaendigeStelleMetadataMapperTest.java

...afm/intelliform/IntelliFormRepresentationAdapterTest.java

...semantik/enginebased/afm/intelliform/JsonServiceTest.java

...g/semantik/formbased/mantelantrag/MantelantragITCase.java

...mantelantrag/MantelantragZustaendigeStelleMapperTest.java