Revision control
++ TEMPLATE = subdirs
++
++ qtHaveModule(widgets) {
++ SUBDIRS += trafficlight-widgets-static
++ SUBDIRS += trafficlight-widgets-dynamic
++ SUBDIRS += sudoku
++ }
++
++ qtHaveModule(quick) {
++ SUBDIRS += calculator
++ SUBDIRS += trafficlight-qml-static
++ SUBDIRS += trafficlight-qml-dynamic
++ SUBDIRS += trafficlight-qml-simple
++ SUBDIRS += mediaplayer
++ SUBDIRS += invoke
++ }
++
++ SUBDIRS += ftpclient