notify users when they have a proxy between cuckoo and vms #782
notify users when they have a proxy between cuckoo and vms #782

Seen this issue come up a couple of times now.. Let's see whether this
helps users.

cuckoobox/cuckoo,cuckoobox/cuckoo,cuckoobox/cuckoo,cuckoobox/cuckoo,cuckoobox/cuckoo