Revision control
++ TEMPLATE = app
++
++ QT += help widgets
++ SOURCES += main.cpp \
++ wateringconfigdialog.cpp \
++ helpbrowser.cpp
++
++ HEADERS += wateringconfigdialog.h \
++ helpbrowser.h
++
++ FORMS += wateringconfigdialog.ui
++
++ DEFINES += SRCDIR=\\\"$$PWD/\\\"
++
++ target.path = $$[QT_INSTALL_EXAMPLES]/help/contextsensitivehelp
++ docs.files += $$PWD/docs
++ docs.path = $$target.path
++
++ INSTALLS += target docs