Experimental resend of ItemStands to get them finally usable

Signed-off-by: Andre Schweiger <andre.spiele@yahoo.de>
Remove OutOfMemory catch code

Signed-off-by: Andre Schweiger <andre.spiele@yahoo.de>
Remove leftover imports

Signed-off-by: Andre Schweiger <andre.spiele@yahoo.de>
Disable picking up Items which are flagged for only one Player(unused
right now)

Signed-off-by: Andre Schweiger <andre.spiele@yahoo.de>
Add option to make Items from Itemstands only "pickupable" by the Player
clicking the Itemstand

Signed-off-by: Andre Schweiger <andre.spiele@yahoo.de>