Changed method: addProblem(Problem) -> setProblems(Collection)
Changed method: addStudent(Student) -> setStudents(Collection)
modified RepositoryFiller for the new methods
Modified Files:
src/java/de/fhworms/ztt/ox/repositoryserver/RepositoryFiller.java
src/java/de/fhworms/ztt/ox/repositoryserver/RepositoryServer.java
src/java/de/fhworms/ztt/ox/repositoryserver/RepositoryServerImpl.java