Add StopAuction

Stops all but 1 instance
refine stop auction return values
move interfaces around, rename
LRPAuctionInfo => LRPStartAuctionInfo
auctionrules => startauctionrules
give everything a more reasonable name
guid => repGuid
use single nats channel when communicating back to the client
updte fake using counterfeit
fix repGuid => processGuid typo
stop auction emits a models.StopLRPInstance
auction includes index
add index to start auction info