If only one player is in orbit, give them control of the object

Signed-off-by: James Tasker <james_tasker1@hotmail.com>
Clear fleet info list before populating it

Signed-off-by: James Tasker <james_tasker1@hotmail.com>
Display none player fleet count as "enemy fleets"

Signed-off-by: James Tasker <james_tasker1@hotmail.com>
Make AI agents attack other object only 50% of the time

Signed-off-by: James Tasker <james_tasker1@hotmail.com>
Code cleanup

Signed-off-by: James Tasker <james_tasker1@hotmail.com>