Chaging the way expressions in Avatar are pointed. Still to implement resize

modeling/AVATAR/CoffeeMachine_Avatar.xml

src/main/java/tmltranslator/TMLSyntaxChecking.java

src/main/java/ui/GTURTLEModeling.java

src/main/java/ui/MainGUI.java

src/main/java/ui/avatarsmd/AvatarSMDTransitionInfo.java

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