Fix confirm dialog database change

Gdrive setup basically working again
Moved basicconfig behind login
Database setup separated from other setup
Config page is using ajax (flask >2 and slow computers)

cps/config_sql.py

@@ -347,7 +347,7 @@ class _ConfigSQL(object):
             log.error(error)
         log.warning("invalidating configuration")
         self.db_configured = False
-        self.config_calibre_dir = None
+        # self.config_calibre_dir = None
         self.save()