Revision control
++ QT += qml scxml
++
++ CONFIG += c++11
++ CONFIG += qmltypes
++
++ SOURCES += calculator.cpp
++
++ HEADERS += calculator-qml.h
++
++ QML_IMPORT_NAME = Calculator
++ QML_IMPORT_MAJOR_VERSION = 1
++
++ qml_resources.files = \
++ qmldir \
++ MainWindow.qml \
++ Button.qml
++
++ qml_resources.prefix = /qt/qml/Calculator
++
++ RESOURCES += qml_resources
++
++ STATECHARTS = statemachine.scxml
++
++ # install
++ target.path = $$[QT_INSTALL_EXAMPLES]/scxml/calculator
++ INSTALLS += target