Revision control

++ QT += gui qml
++
++ SOURCES += \
++ main.cpp
++
++ OTHER_FILES = \
++ main.qml
++
++ RESOURCES += spanning-screens.qrc
++
++ target.path = $$[QT_INSTALL_EXAMPLES]/wayland/spanning-screens
++ sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS spanning-screens.pro
++ sources.path = $$[QT_INSTALL_EXAMPLES]/wayland/spanning-screens
++ INSTALLS += target sources