Added an Info modal dialog output to GM 'location' command so we can inspect ship location x,y,z coordinates and speed when in space.
Added some comments to NPCAI to indicate that it must also check for standings, yet the ability to query and set standings on a character is not available nor implemented.
Made _FindBubble() function public and of two forms, one takes GPoint position and other takes SystemEntity then gets its location GPoint to find an existing bubble containing that point or returns NULL.