Added Copyright headers

plugins/org.polarsys.chess.OSSImporter/src/org/polarsys/chess/OSSImporter/actions/ImportOSSFileAction.java

+/*******************************************************************************
+ * Copyright (C) 2018 Fondazione Bruno Kessler.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *  
+ * Contributors:
+ *     Luca Cristoforetti - initial API and implementation
+ ******************************************************************************/
 package org.polarsys.chess.OSSImporter.actions;
 
 import org.eclipse.emf.ecore.resource.*;

plugins/org.polarsys.chess.OSSImporter/src/org/polarsys/chess/OSSImporter/commands/AddOSSFileCommand.java

+/*******************************************************************************
+ * Copyright (C) 2018 Fondazione Bruno Kessler.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *  
+ * Contributors:
+ *     Luca Cristoforetti - initial API and implementation
+ ******************************************************************************/
 package org.polarsys.chess.OSSImporter.commands;
 
 import java.io.File;