Adding save as model or project

executablecode/Makefile.src

modeling/AVATAR/AvatarModel.xml

src/main/java/tmltranslator/TMLChannel.java

src/main/java/ui/ActionPerformer.java

src/main/java/ui/JMenuBarTurtle.java

src/main/java/ui/MainGUI.java

src/main/java/ui/ModeManager.java

src/main/java/ui/TGUIAction.java

src/main/java/ui/file/TFileFilter.java