managing kill ploty2 for remote

src/main/java/fr/ill/ics/nscclient/ploty/PlotyInstance.java

@@ -133,6 +133,9 @@ public class PlotyInstance {
 						}
 						
 					}
+					else {
+						break;
+					}
 				}
 			}
 		});

src/main/java/fr/ill/ics/nscclient/sessionmanagement/ServerSessionManager.java

@@ -150,7 +150,9 @@ public class ServerSessionManager {
     	LogSubscriber.getInstance(serverId).unsubscribe();
     	SurveySubscriberImpl.getInstance(serverId).unsubscribe();
     	DataChangeSubscriber.getInstance(serverId).unsubscribe();
-    	PlotyInstance.getInstance().unsubscribe();
+    	if (serverId.equals("real")) {
+    		PlotyInstance.getInstance().unsubscribe();
+    	}
     	
     	DataAccessor.getInstance(serverId).reset();
     	ServantManagerAccessor.getInstance(serverId).reset();
@@ -184,6 +186,14 @@ public class ServerSessionManager {
     	} catch (Exception e) {
     		System.out.println("Cannot unsubscribe data change");
     	}	
+    	
+    	if (serverId.equals("real")) {
+	    	try {
+	    		PlotyInstance.getInstance().unsubscribe();
+	    	} catch (Exception e) {
+	    		System.out.println("Cannot unsubscribe data change");
+	    	}
+    	}
 	}
     	
 	public ServantManagerAccessor getServantManagerAccessor() {