Integrated LoggingService patch.

org.fortiss.tooling.base.ui/trunk/plugin.xml

.../fortiss/tooling/base/ui/dialog/MessageUtilsExtended.java

...base/ui/dialog/ModelElementWithRefCopyMessageHandler.java

...ooling/base/compose/LogMessageUserInteractionContext.java

.../tooling/base/compose/ModelElementWithRefCopyMessage.java

org.fortiss.tooling.kernel/trunk/plugin.xml

...ortiss.tooling.kernel/trunk/schema/logMessageHandler.exsd

...g/fortiss/tooling/kernel/extension/LogMessageHandler.java

...iss/tooling/kernel/extension/data/ILogMessageContext.java

...org/fortiss/tooling/kernel/extension/data/LogMessage.java

...ooling/kernel/extension/data/LogMessageWithException.java

...c/org/fortiss/tooling/kernel/internal/LoggingService.java

...c/org/fortiss/tooling/kernel/service/ILoggingService.java