Adding tagging of tgcomponents

src/main/java/common/Tag.java

src/main/java/common/Tags.java

src/main/java/ui/GTURTLEModeling.java

src/main/java/ui/ModelParameters.java

src/main/java/ui/TDiagramPanel.java

src/main/java/ui/TGComponent.java

src/main/java/ui/window/JDialogAvatarModelChecker.java