Server: disconnect all child socket
Server: disconnect all child socket

Change-Id: I1d62b9e9defb908a8a18e0d9c78a5b9e0c7896ac
Reviewed-on: http://gerrit.aldebaran.lan:8080/7133
Reviewed-by: cgestes <ddb78fe00abb42f91254c16a0860e38eb0781789@aldebaran-robotics.com>
Tested-by: cgestes <ddb78fe00abb42f91254c16a0860e38eb0781789@aldebaran-robotics.com>

aldebaran/libqi,vbarbaresi/libqi,aldebaran/libqi-java,aldebaran/libqi-java,aldebaran/libqi,aldebaran/libqi,aldebaran/libqi-java,bsautron/libqi