Readding channels/events on memory

modeling/DIPLODOCUS/ZigBeeDEMO.xml

src/main/java/tmltranslator/HwBus.java

src/main/java/tmltranslator/HwDMA.java

src/main/java/tmltranslator/TMLChannel.java

src/main/java/ui/tmldd/TMLArchiCommunicationNode.java

src/main/java/ui/tmldd/TMLArchiDiagramToolBar.java

src/main/java/ui/tmldd/TMLArchiMemoryNode.java