XML-Print Webservice

We changed the standard logging procedure:

o initializing private static finale logger = Logger.getLogger(...)
o central logging name "de.fhworms.ztt.ox"
o private static void initLogger() {...}

Modified Files:
ox/src/java/de/fhworms/ztt/ox/deployment/DeploymentDaemonImpl.java
ox/src/java/de/fhworms/ztt/ox/deployment/MailFactory.java
ox/src/java/de/fhworms/ztt/ox/examclient/ExamClientApp.java
ox/src/java/de/fhworms/ztt/ox/examclient/ExamClientController.java
ox/src/java/de/fhworms/ztt/ox/examclient/ExamClientModel.java
ox/src/java/de/fhworms/ztt/ox/examclient/SessionManager.java
ox/src/java/de/fhworms/ztt/ox/examserver/ExamAdministrationClientConnectorImpl.java
ox/src/java/de/fhworms/ztt/ox/examserver/ExamServer.java
ox/src/java/de/fhworms/ztt/ox/examserver/RemoteExam.java
ox/src/java/de/fhworms/ztt/ox/gradingwizard/GradingAgent.java
ox/src/java/de/fhworms/ztt/ox/repositoryserver/RemoteCourseCatalogImpl.java
ox/src/java/de/fhworms/ztt/ox/repositoryserver/RemoteProblemCatalogImpl.java
ox/src/java/de/fhworms/ztt/ox/repositoryserver/RemoteStudentCatalogImpl.java
ox/src/java/de/fhworms/ztt/ox/repositoryserver/RepositoryServerImpl.java

Convenients static method convert() to convert Exceptions to
a String.

Added Files:
ox/src/java/de/fhworms/ztt/util/ExceptionToStringConverter.java
ox/src_test/java/unit/de/fhworms/ztt/util/ExceptionToStringConverterTest.java
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Worms, 23.1.2003, Schaaf, Orth, Keidel