"src/plugins/qt4projectmanager/qt-s60/s60manager.cpp" did not exist on "84c82a669b8edd18a49b0eadaaee62eced27c51c"
Also cache a lastModified time, so that we don't emit a signal if it didn't change.
Also cache a lastModified time, so that we don't emit a signal if it didn't change.