changed reservation, you have 59 minutes to scribble until this scribble gets available to others again (to you too!);
known bug: DELETE FROM `reserved_map` WHERE `userid` wont work here but in mysql...
changed db_work to user old defs and define new;
close the $mysqli->close(); before requiring;
added new arrays for comments and favs in ajax request;
Merge branch 'spatialmap'