Settings/Save Settings menu item

This saves the current settings in ENVARC:TSMorph/TSMorph.prefs and ENV:TSMorph/TSMorph.prefs.

If CREATEICONSP is set then an Icon is saved as well

Unless KEEPSETTINGS is set to NO current settings are saved in ENV:TSMorph/TSMorph.prefs whenever TSMorph is quit.