layout border, spacer item, decorated button py wrapper
	modified:   GuiTest/TestGui.cpp
	modified:   README.md
	modified:   StiGame/DecoratedButton.cpp
	modified:   StiGame/Layout.cpp
	modified:   StiGame/Layout.h
	modified:   StiGame/PRect.cpp
	modified:   StiGame/PRect.h
	modified:   StiGame/Primitive.h
	new file:   StiGame/Spacer.cpp
	new file:   StiGame/Spacer.h
	modified:   StiGame/StiGame.cbp
	modified:   StiGame/TextBox.cpp
	modified:   tools/gui-editor/wrapper/__init__.py
	modified:   tools/gui-editor/wrapper/c_library.py
	new file:   tools/gui-editor/wrapper/decorated_button.py
	modified:   tools/gui-editor/wrapper/style.py