Added Steve Parry's patch that adds the Open and SaveAs commands to scripting.

src/commands/OpenSaveCommands.h

@@ -0,0 +1,65 @@
+/**********************************************************************
+
+   Audacity: A Digital Audio Editor
+   Audacity(R) is copyright (c) 1999-2009 Audacity Team.
+   File License: wxwidgets
+
+   OpenSaveCommands.h
+   Stephen Parry
+
+******************************************************************//**
+
+\class OpenProjectCommand
+\brief Command for opening an Audacity project
+
+\class SaveProjectCommand
+\brief Command for saving an Audacity project
+
+*//*******************************************************************/
+
+#include "Command.h"
+#include "CommandType.h"
+
+// Open
+
+class OpenProjectCommandType : public CommandType
+{
+public:
+   virtual wxString BuildName();
+   virtual void BuildSignature(CommandSignature &signature);
+   virtual Command *Create(CommandOutputTarget *target);
+};
+
+class OpenProjectCommand : public CommandImplementation
+{
+public:
+   OpenProjectCommand(CommandType &type,
+                    CommandOutputTarget *target)
+      : CommandImplementation(type, target)
+   { }
+
+   virtual ~OpenProjectCommand();
+   virtual bool Apply(CommandExecutionContext context);
+};
+
+// Save
+
+class SaveProjectCommandType : public CommandType
+{
+public:
+   virtual wxString BuildName();
+   virtual void BuildSignature(CommandSignature &signature);
+   virtual Command *Create(CommandOutputTarget *target);
+};
+
+class SaveProjectCommand : public CommandImplementation
+{
+public:
+   SaveProjectCommand(CommandType &type,
+                    CommandOutputTarget *target)
+      : CommandImplementation(type, target)
+   { }
+
+   virtual ~SaveProjectCommand();
+   virtual bool Apply(CommandExecutionContext context);
+};