Add hidden `weave bridge-type` command
Add hidden `weave bridge-type` command

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