TEST a Merge branch 'XMLProperties'

it gets built let's test it for bugs

 Conflicts:
	sources/ElementsCollection/fileelementcollectionitem.cpp
	sources/QetGraphicsItemModeler/qetgraphicshandleritem.h
	sources/borderproperties.cpp
	sources/conductorproperties.cpp
	sources/conductorproperties.h
	sources/diagram.cpp
	sources/diagram.h
	sources/diagramprintdialog.cpp
	sources/diagramprintdialog.h
	sources/editor/graphicspart/customelementgraphicpart.cpp
	sources/editor/graphicspart/partarc.cpp
	sources/editor/graphicspart/partdynamictextfield.cpp
	sources/editor/graphicspart/partdynamictextfield.h
	sources/editor/graphicspart/partellipse.cpp
	sources/editor/graphicspart/partline.cpp
	sources/editor/graphicspart/partpolygon.cpp
	sources/editor/graphicspart/partrectangle.cpp
	sources/editor/graphicspart/partterminal.cpp
	sources/editor/graphicspart/partterminal.h
	sources/editor/graphicspart/parttext.cpp
	sources/properties/propertiesinterface.cpp
	sources/properties/propertiesinterface.h
	sources/properties/terminaldata.cpp
	sources/properties/terminaldata.h
	sources/properties/xrefproperties.cpp
	sources/properties/xrefproperties.h
	sources/qetgraphicsitem/conductor.cpp
	sources/qetgraphicsitem/conductor.h
	sources/qetgraphicsitem/conductortextitem.h
	sources/qetgraphicsitem/dynamicelementtextitem.h
	sources/qetgraphicsitem/element.cpp
	sources/qetgraphicsitem/element.h
	sources/qetgraphicsitem/elementtextitemgroup.h
	sources/qetgraphicsitem/slaveelement.cpp
	sources/qetgraphicsitem/slaveelement.h
	sources/qetgraphicsitem/terminal.cpp
	sources/qetgraphicsitem/terminal.h
	sources/qetproject.cpp
	sources/titleblockproperties.cpp

sources/qetgraphicsitem/independenttextitem.cpp

@@ -50,6 +50,7 @@ IndependentTextItem::~IndependentTextItem()
 {
 }
 
+// TODO: inherit from PropertiesInterface
 /**
 	Permet de lire le texte a mettre dans le champ a partir d'un element XML.
 	Cette methode se base sur la position du champ pour assigner ou non la