- record which friend participates in a lobby even after they unsubscribed. The lobby list that is sent to these
friends contains the privaye lobby as well. In practice, people jsut need to be invited once to a private lobby.
Afterwards, they get the lobby in the list of nearby lobbies and can join by clicking on it.
- added new item RsChatLobbyList_deprecated2, to replace old existing item. Should be removed in v0.6
- changed PublicLobbies for VisibleLobbies in the code, to avoid confusion
- the change is backward compatible, although old peers won't receive private lobby info from new peers, of course.
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@5942 b45a01b8-16f6-495d-af2f-9b41ad6348cc
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