Revision control
++ QT += qml quick
++
++ CONFIG += qmltypes
++ QML_IMPORT_NAME = Spinner
++ QML_IMPORT_MAJOR_VERSION = 1
++
++ HEADERS += spinner.h
++ SOURCES += spinner.cpp main.cpp
++ RESOURCES += threadedanimation.qrc
++
++ target.path = $$[QT_INSTALL_EXAMPLES]/quick/scenegraph/threadedanimation
++ INSTALLS += target