Fixed check if address has changed - was preventing resetting of local port.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7619 b45a01b8-16f6-495d-af2f-9b41ad6348cc
Add peer version to Ping Message. (improves finding RS peers)
Add local flag to search query - to only find bitdht peers.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7620 b45a01b8-16f6-495d-af2f-9b41ad6348cc