Graphical detection added for cross validator status

git-svn-id: https://scm.gforge.inria.fr/authscm/ycadoret/svn/gazelle/Maven/simulators/gazelle-webservice-tester/branches/gazelle-webservice-tester-nbt@66587 356b4b1a-1d2b-0410-8bf1-ffa24008f01e