update xrootdfs man page
[RPM] Rename packages to xrootd4, update the license tag, clean-up legacy tags
Use SSL_accept in async mode, to avoid threads waiting on it if the handshake hangs
Some more debug logging
Make default network routing "local" to keep old xrootd behaviour.
Make interface specification optional as single interface machines
are more common.
[Release Notes] Add info about XrdFileCache
Bugfix: avoid double free of the async bio on connection shutdown