Adding first diagram reference qith a home button

Makefile

modeling/DIPLODOCUS/ZigBeeTutorial.xml

readme

src/main/java/ui/ActionPerformer.java

src/main/java/ui/JToolBarMainTurtle.java

src/main/java/ui/MainGUI.java

src/main/java/ui/ModeManager.java

src/main/java/ui/TGUIAction.java

src/main/java/ui/TURTLEPanel.java

src/main/java/ui/util/IconManager.java

...urces/ui/util/toolbarButtonGraphics/navigation/Home16.gif