Settings: Don't default to retain compatibility with 0.5

Author: dg0yt

src/settings.cpp

@@ -77,7 +77,7 @@ Settings::Settings()
 	registerSetting(ActionGridBar_ButtonSizeMM, "ActionGridBar/button_size_mm", touch_button_minimum_size_default);
 	registerSetting(SymbolWidget_IconSizeMM, "SymbolWidget/icon_size_mm", symbol_widget_icon_size_mm_default);
 
-	registerSetting(General_RetainCompatiblity, "retainCompatiblity", true);
+	registerSetting(General_RetainCompatiblity, "retainCompatiblity", false);
 	registerSetting(General_AutosaveInterval, "autosave", 15); // unit: minutes
 	registerSetting(General_Language, "language", QVariant((int)QLocale::system().language()));
 	registerSetting(General_PixelsPerInch, "pixelsPerInch", ppi);