diff --git a/src/main/java/common/ConfigurationTTool.java b/src/main/java/common/ConfigurationTTool.java
index 2d49da6f06c588387b4a65a9dfaf07e9c21f1524..f4ffe8b6b9f5aa373ec72cda4beb6179ca1b0bbe 100755
--- a/src/main/java/common/ConfigurationTTool.java
+++ b/src/main/java/common/ConfigurationTTool.java
@@ -493,12 +493,12 @@ public class ConfigurationTTool {
         sb.append("LastOpenFile: " + LastOpenFile + "\n");
         sb.append("LastWindowAttributesX: " + LastWindowAttributesX + "\n");
         sb.append("LastWindowAttributesY: " + LastWindowAttributesY + "\n");
-        sb.append("LastWindowAttributesWidth: " + LastWindowAttributesWidth + "\n");
-        sb.append("LastWindowAttributesHeight: " + LastWindowAttributesHeight + "\n");
-        sb.append("LastWindowAttributesMax: " + LastWindowAttributesMax + "\n");
+        sb.append("LastWindowAttributesWidth: ").append(LastWindowAttributesWidth).append("\n");
+        sb.append("LastWindowAttributesHeight: ").append(LastWindowAttributesHeight).append("\n");
+        sb.append("LastWindowAttributesMax: ").append(LastWindowAttributesMax).append("\n");
 
         //Huy Truong
-        sb.append("ExternalServer " + ExternalServer + "\n");
+        sb.append("ExternalServer ").append(ExternalServer).append("\n");
 
         return sb.toString();
 
diff --git a/src/main/java/common/SpecConfigTTool.java b/src/main/java/common/SpecConfigTTool.java
index f026b6ceb9ab1f7ec3e11921469e653f93d3a645..ada84c570bc2e0ef8b3b43cbad5ed9b7e4fd419b 100644
--- a/src/main/java/common/SpecConfigTTool.java
+++ b/src/main/java/common/SpecConfigTTool.java
@@ -1,3 +1,41 @@
+/* Copyright or (C) or Copr. GET / ENST, Telecom-Paris, Ludovic Apvrille
+ *
+ * ludovic.apvrille AT enst.fr
+ *
+ * This software is a computer program whose purpose is to allow the
+ * edition of TURTLE analysis, design and deployment diagrams, to
+ * allow the generation of RT-LOTOS or Java code from this diagram,
+ * and at last to allow the analysis of formal validation traces
+ * obtained from external tools, e.g. RTL from LAAS-CNRS and CADP
+ * from INRIA Rhone-Alpes.
+ *
+ * This software is governed by the CeCILL  license under French law and
+ * abiding by the rules of distribution of free software.  You can  use,
+ * modify and/ or redistribute the software under the terms of the CeCILL
+ * license as circulated by CEA, CNRS and INRIA at the following URL
+ * "http://www.cecill.info".
+ *
+ * As a counterpart to the access to the source code and  rights to copy,
+ * modify and redistribute granted by the license, users are provided only
+ * with a limited warranty  and the software's author,  the holder of the
+ * economic rights,  and the successive licensors  have only  limited
+ * liability.
+ *
+ * In this respect, the user's attention is drawn to the risks associated
+ * with loading,  using,  modifying and/or developing or reproducing the
+ * software by the user in light of its specific status of free software,
+ * that may mean  that it is complicated to manipulate,  and  that  also
+ * therefore means  that it is reserved for developers  and  experienced
+ * professionals having in-depth computer knowledge. Users are therefore
+ * encouraged to load and test the software's suitability as regards their
+ * requirements in conditions enabling the security of their systems and/or
+ * data to be ensured and,  more generally, to use and operate it in the
+ * same conditions as regards security.
+ *
+ * The fact that you are presently reading this means that you have had
+ * knowledge of the CeCILL license and that you accept its terms.
+ */
+
 package common;
 
 import java.io.ByteArrayInputStream;
diff --git a/src/main/java/ui/graph/AUTGraphDisplay.java b/src/main/java/ui/graph/AUTGraphDisplay.java
index 64dc8a4e47c67a88bdc82e0f7c1e6d48693e89ab..3881d604d8ea548903c1f0f8c7dfd1ad4e769133 100755
--- a/src/main/java/ui/graph/AUTGraphDisplay.java
+++ b/src/main/java/ui/graph/AUTGraphDisplay.java
@@ -47,10 +47,6 @@ import org.graphstream.graph.implementations.MultiNode;
 import org.graphstream.ui.view.Viewer;
 import org.graphstream.ui.view.ViewerListener;
 import org.graphstream.ui.view.ViewerPipe;
-import org.graphstream.stream.file.FileSinkImages;
-import org.graphstream.stream.file.FileSinkImages.LayoutPolicy;
-import org.graphstream.stream.file.FileSinkImages.Resolutions;
-import org.graphstream.stream.file.FileSinkImages.OutputType;
 import ui.file.PNGFilter;
 import ui.util.IconManager;
 
@@ -63,7 +59,6 @@ import java.awt.event.MouseEvent;
 import java.awt.event.MouseListener;
 import java.awt.image.BufferedImage;
 import java.io.File;
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.logging.Logger;
 
diff --git a/src/main/java/ui/networkmodelloader/JDialogLoadingNetworkModel.java b/src/main/java/ui/networkmodelloader/JDialogLoadingNetworkModel.java
index 6fd8a78df4e83d21cbf259469e5ca081c673d020..323e3c91d9c22b6b8fe02a9f8160dbadf2e3ba33 100644
--- a/src/main/java/ui/networkmodelloader/JDialogLoadingNetworkModel.java
+++ b/src/main/java/ui/networkmodelloader/JDialogLoadingNetworkModel.java
@@ -230,7 +230,7 @@ public class JDialogLoadingNetworkModel extends javax.swing.JFrame implements Ac
         }
     }
 
-    public void featureSelectionMade() {
+    private void featureSelectionMade() {
         panel.setFeatureSelectedIndex(featureList.getSelectedIndex());
     }
 
@@ -238,7 +238,6 @@ public class JDialogLoadingNetworkModel extends javax.swing.JFrame implements Ac
         if (panel != null) panel.stopLoading(); dispose();
     }
 
-
     public void run() {
         // Loading main file describing models, giving information on this, and filling the array of models
         // Accessing the main file
diff --git a/src/main/java/ui/networkmodelloader/NetworkModelPanel.java b/src/main/java/ui/networkmodelloader/NetworkModelPanel.java
index 2bd68880a5dfe4803e3973f26cfb8ab2fc460a00..fe92176d25bad11cda3f1193e4149e2f4f6ecbac 100644
--- a/src/main/java/ui/networkmodelloader/NetworkModelPanel.java
+++ b/src/main/java/ui/networkmodelloader/NetworkModelPanel.java
@@ -98,7 +98,7 @@ public class NetworkModelPanel extends JPanel implements Runnable, MouseListener
     private boolean go = true;
 
 
-    public NetworkModelPanel(LoaderFacilityInterface _loader, ArrayList<NetworkModel> _listOfModels, ActionListener _listener, JTextArea _jta, JLabel _infoModels) {
+    NetworkModelPanel(LoaderFacilityInterface _loader, ArrayList<NetworkModel> _listOfModels, ActionListener _listener, JTextArea _jta, JLabel _infoModels) {
         loader = _loader;
         listOfModels = _listOfModels;
         listener = _listener;
@@ -124,24 +124,24 @@ public class NetworkModelPanel extends JPanel implements Runnable, MouseListener
         addMouseListener(this);
     }
 
-    public void setJSP(JScrollPane _jsp) {
+    void setJSP(JScrollPane _jsp) {
         jsp = _jsp;
         jsp.setViewportView(this);
     }
 
-    public void setFeatureSelectedIndex(int _index) {
+    void setFeatureSelectedIndex(int _index) {
         featureSelectedIndex = _index;
         indexOfSelected = -1;
         repaint();
     }
 
-    public void setProperty(int _index, boolean _mode) {
+    void setProperty(int _index, boolean _mode) {
         props[_index] = _mode;
         indexOfSelected = -1;
         repaint();
     }
 
-    public void stopLoading() {
+    void stopLoading() {
         go = false;
     }