New Command: 'arrange' and drop descs save across reboots

[Morgenes]

I've added a new command, 'arrange' that allows you to manipulate an object that is currently in the room, changing it's temporary long description as if you had picked the item up and dropped it with the appropriate drop description.  This new command was added with command emote ability, so you can specify how you are arranging the item.

See 'help arrange' for syntax and examples.

We also now save the temporary long description across reboots, so if you arrange the items in your apartment, they will stay that way across reboots.  Note that this only affects save rooms.  Items left out in the wild (in non-save rooms) will disappear across reboots, as before.