Adding checking of names for UCD

modeling/AVATAR/PressureController.xml

modeling/SysMLSec/ITSDemo.xml

src/main/java/avatartranslator/AvatarSyntaxChecker.java

src/main/java/myutil/NameChecker.java

src/main/java/ui/GTURTLEModeling.java

src/main/java/ui/MainGUI.java

src/main/java/ui/TDiagramPanel.java

src/main/java/ui/TGComponent.java

src/main/java/ui/ucd/TGConnectorUseCase.java

src/main/java/ui/ucd/UCDActor.java

src/main/java/ui/ucd/UCDUseCase.java

src/main/java/ui/ucd/UseCaseDiagramPanel.java

src/main/java/ui/ucd/UseCaseDiagramToolBar.java