Added the undocking possibility, except for VL implementation (JAVAAPI-213)

dockingvl/src/main/java/fr/soleil/docking/vl/VlDockDockingManager.java

@@ -169,12 +169,26 @@ public class VlDockDockingManager extends ADockingManager {
     }
 
     @Override
-    public void setEnabledDocking(boolean enabledDocking) {
+    public void setEnabledDocking(boolean enabledDocking, JComponent dockingArea) {
+        // TODO manage docking availability
         System.out.println("VlDockDockingManager.setEnabledDocking()");
     }
 
     @Override
-    public boolean isEnabledDocking() {
+    public boolean isEnabledDocking(JComponent dockingArea) {
+        // TODO manage docking availability
+        return true;
+    }
+
+    @Override
+    public void setUndockEnabled(boolean enabled, JComponent dockingArea) {
+        // TODO manage undocking possibility
+        System.out.println("VlDockDockingManager.setUndockEnabled()");
+    }
+
+    @Override
+    public boolean isUndockEnabled(JComponent dockingArea) {
+        // TODO manage undocking possibility
         return true;
     }