Avoid build error when git commit hash cannot be retrieved (build with revision number 0)

src/Main/Base/Project/Src/Gui/Workbench/Layouts/AvalonWorkbenchWindow.cs

@@ -358,9 +358,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 		{
 			IViewContent content = ActiveViewContent;
 			if (content != null) {
-				if (this.DragEnabledArea != null) {
-					this.DragEnabledArea.ToolTip = content.PrimaryFileName;
-				}
+				this.InfoTip = content.PrimaryFileName;
 				
 				string newTitle = content.TitleName;
 				

src/Main/GlobalAssemblyInfo.template

@@ -1,9 +1,5 @@
-// <file>
-//     <copyright see="prj:///doc/copyright.txt"/>
-//     <license see="prj:///doc/license.txt"/>
-//     <owner name="Daniel Grunwald" email="daniel@danielgrunwald.de"/>
-//     <version>$Revision$</version>
-// </file>
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 
 /////////////////////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////////////////////

src/Tools/UpdateAssemblyInfo/Main.cs

@@ -1,9 +1,6 @@
-/*
- * Created by SharpDevelop.
- * User: Daniel Grunwald
- * Date: 21.07.2005
- * Time: 12:00
- */
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
 using System;
 using System.Collections.Specialized;
 using System.Diagnostics;
@@ -267,7 +264,7 @@ namespace UpdateAssemblyInfo
 				Console.WriteLine("Build continues with revision number '0'...");
 				
 				revisionNumber = "0";
-				gitCommitHash = null;
+				gitCommitHash = "0000000000000000000000000000000000000000";
 			}
 			if (revisionNumber == null || revisionNumber.Length == 0) {
 				revisionNumber = "0";