Merge branch 'master' of github.com:FreeOpcUa/freeopcua
Implement KeepAlive thread in high level client class
Merge branch 'master' of github.com:FreeOpcUa/freeopcua
Merge pull request #71 from oroulet/master

Implement KeepAlive thread in high level client class and some better guarding in binary_server
Merge pull request #72 from mdcb-gmt/master

close acceptor on exit
fix demo client node path