Revert "don't broadcast-gossip other peer when adding a connection" while we consider how to fix it properly.
Revert "don't broadcast-gossip other peer when adding a connection"
while we consider how to fix it properly.

This reverts commit cbb2ad018da70c52578cc694f65379c83db01114.

n054/weave,aaam/weave,n054/weave,weaveworks/weave,paulbellamy/weave,rade/weave,tomwilkie/weave,tomwilkie/weave,rade/weave,rade/weave,aaam/weave,aaam/weave,dpw/weave,tomwilkie/weave,tomwilkie/weave,dpw/weave,rade/weave,weaveworks/weave,aaam/weave,weaveworks/weave,n054/weave,dpw/weave,aaam/weave,dpw/weave,tomwilkie/weave,paulbellamy/weave,rade/weave,n054/weave,n054/weave,weaveworks/weave,dpw/weave,paulbellamy/weave,paulbellamy/weave