Create license header files for integration and multi-jvm test sources
Create license header files for integration and multi-jvm test sources

 - fixes #193

ianclegg/eventuate,RBMHTechnology/eventuate,RBMHTechnology/eventuate,ianclegg/eventuate,ianclegg/eventuate,RBMHTechnology/eventuate,RBMHTechnology/eventuate,RBMHTechnology/eventuate,ianclegg/eventuate,ianclegg/eventuate