Fix property file headers to get rid of error log entries

Change-Id: Iccb669bd432245e4fe88a332f49d3889079b2b93
diff --git a/examples/org.eclipse.graphiti.examples.chess/src/org/eclipse/graphiti/examples/chess/messages.properties b/examples/org.eclipse.graphiti.examples.chess/src/org/eclipse/graphiti/examples/chess/messages.properties
index 5c0aa24..c3ab7f6 100644
--- a/examples/org.eclipse.graphiti.examples.chess/src/org/eclipse/graphiti/examples/chess/messages.properties
+++ b/examples/org.eclipse.graphiti.examples.chess/src/org/eclipse/graphiti/examples/chess/messages.properties
@@ -1,15 +1,15 @@
-/*********************************************************************
-* Copyright (c) 2011, 2019 SAP SE
-*
-* This program and the accompanying materials are made
-* available under the terms of the Eclipse Public License 2.0
-* which is available at https://www.eclipse.org/legal/epl-2.0/
-*
-* Contributors:
-*    SAP SE - initial API, implementation and documentation
-*
-* SPDX-License-Identifier: EPL-2.0
-**********************************************************************/
+######################################################################
+# Copyright (c) 2011, 2019 SAP SE
+#
+# This program and the accompanying materials are made
+# available under the terms of the Eclipse Public License 2.0
+# which is available at https://www.eclipse.org/legal/epl-2.0/
+#
+# Contributors:
+#    SAP SE - initial API, implementation and documentation
+#
+# SPDX-License-Identifier: EPL-2.0
+######################################################################
 
 CreateAllInitialChessPiecesFeature_name=Create Pieces
 CreateAllInitialChessPiecesFeature_description=Create the initial set of pieces
diff --git a/examples/org.eclipse.graphiti.examples.common/src/org/eclipse/graphiti/examples/common/messages.properties b/examples/org.eclipse.graphiti.examples.common/src/org/eclipse/graphiti/examples/common/messages.properties
index 6d8b7f2..76d9d87 100644
--- a/examples/org.eclipse.graphiti.examples.common/src/org/eclipse/graphiti/examples/common/messages.properties
+++ b/examples/org.eclipse.graphiti.examples.common/src/org/eclipse/graphiti/examples/common/messages.properties
@@ -1,15 +1,15 @@
-/*********************************************************************
-* Copyright (c) 2005, 2019 SAP SE
-*
-* This program and the accompanying materials are made
-* available under the terms of the Eclipse Public License 2.0
-* which is available at https://www.eclipse.org/legal/epl-2.0/
-*
-* Contributors:
-*    SAP SE - initial API, implementation and documentation
-*
-* SPDX-License-Identifier: EPL-2.0
-**********************************************************************/
+######################################################################
+# Copyright (c) 2005, 2019 SAP SE
+#
+# This program and the accompanying materials are made
+# available under the terms of the Eclipse Public License 2.0
+# which is available at https://www.eclipse.org/legal/epl-2.0/
+#
+# Contributors:
+#    SAP SE - initial API, implementation and documentation
+#
+# SPDX-License-Identifier: EPL-2.0
+######################################################################
 
 CompartmentPattern_CompartmentChangesText=compartment changes
 CreateDiagramWizard_DiagramNameField=Diagram Name
diff --git a/examples/org.eclipse.graphiti.examples.tutorial/src/org/eclipse/graphiti/examples/tutorial/messages.properties b/examples/org.eclipse.graphiti.examples.tutorial/src/org/eclipse/graphiti/examples/tutorial/messages.properties
index 3cd20a0..f84076e 100644
--- a/examples/org.eclipse.graphiti.examples.tutorial/src/org/eclipse/graphiti/examples/tutorial/messages.properties
+++ b/examples/org.eclipse.graphiti.examples.tutorial/src/org/eclipse/graphiti/examples/tutorial/messages.properties
@@ -1,15 +1,15 @@
-/*********************************************************************
-* Copyright (c) 2005, 2019 SAP SE
-*
-* This program and the accompanying materials are made
-* available under the terms of the Eclipse Public License 2.0
-* which is available at https://www.eclipse.org/legal/epl-2.0/
-*
-* Contributors:
-*    SAP SE - initial API, implementation and documentation
-*
-* SPDX-License-Identifier: EPL-2.0
-**********************************************************************/
+######################################################################
+# Copyright (c) 2005, 2019 SAP SE
+#
+# This program and the accompanying materials are made
+# available under the terms of the Eclipse Public License 2.0
+# which is available at https://www.eclipse.org/legal/epl-2.0/
+#
+# Contributors:
+#    SAP SE - initial API, implementation and documentation
+#
+# SPDX-License-Identifier: EPL-2.0
+######################################################################
 
 CreateDiagramWithAllClassesHandler_ErrorTitle=Error Occurred
 CreateDiagramWithAllClassesHandler_NewDiagramDescription=Enter the name for the new diagram