Fix checking for target path when copying `local_settings.default` as `local_settings.py`. Notify user when stopping and quitting app.
Fix checking for target path when copying `local_settings.default` as `local_settings.py`.
Notify user when stopping and quitting app.

benjaoming/installers,benjaoming/installers,mrpau/installers,ruimalheiro/installers,learningequality/ka-lite-installers,mrpau/installers,learningequality/ka-lite-installers,MCGallaspy/installers,learningequality/installers,learningequality/installers,MCGallaspy/installers,ruimalheiro/installers,learningequality/installers,mrpau/installers,ruimalheiro/installers,benjaoming/installers,learningequality/installers,learningequality/ka-lite-installers,mrpau/installers,learningequality/ka-lite-installers,ruimalheiro/installers,MCGallaspy/installers,MCGallaspy/installers,benjaoming/installers