pothos-library: API call for forward stdio to logging facility
pothos-gui: TopologyEngine sets up log forwarding on remote procs
pothos-library: server unbuffered to prevent backup in subprocess
pothos-library: sever spawn, close error pipe before continuing
pothos-library: redirect cerr and cout as well as clog
pothos-library: added comment about std::ios::unitbuf
pothos-library: moved RemoteServer static handlers to RemoteHandler
pothos-library: moved runHandlerOnce into the RemoteHandler
pothos-library: added getPeeringAddress for ProxyEnvironment
Merge branch 'server_work' into logging_work
pothos-gui: use env peering address for log forwarding
Merge branch 'logging_work'