phases: change publish behavior to only alter behavior when server. Older publish=True was: 1) Content of Publishing server are seen as public by client. 2) Any changegroup *added* to a publish=True server is public. New definition are: 1) Content of Publishing server are seen as public by client. 2) Any changegroup *pushed* to a publish=True server is public. See mercurial/phase.py documentation for exact final behavior