Enhancement - Subst and Keymap

- Implemented Subst object and mored it into place ready for integration.
- Moved skeleton Keymap into place.  Not implemented yet.

src/Keymap.cpp

@@ -0,0 +1,66 @@
+////////////////////////////////////////////////////////////////////////////////
+// task - a command line task list manager.
+//
+// Copyright 2006 - 2009, Paul Beckingham.
+// All rights reserved.
+//
+// This program is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free Software
+// Foundation; either version 2 of the License, or (at your option) any later
+// version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+// details.
+//
+// You should have received a copy of the GNU General Public License along with
+// this program; if not, write to the
+//
+//     Free Software Foundation, Inc.,
+//     51 Franklin Street, Fifth Floor,
+//     Boston, MA
+//     02110-1301
+//     USA
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include <string>
+#include "Keymap.h"
+
+////////////////////////////////////////////////////////////////////////////////
+Keymap::Keymap ()
+{
+}
+
+////////////////////////////////////////////////////////////////////////////////
+Keymap::Keymap (const Keymap& other)
+{
+  throw std::string ("unimplemented Keymap::Keymap");
+//  mOne = other.mOne;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+Keymap& Keymap::operator= (const Keymap& other)
+{
+  throw std::string ("unimplemented Keymap::operator=");
+  if (this != &other)
+  {
+//    mOne = other.mOne;
+  }
+
+  return *this;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+Keymap::~Keymap ()
+{
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void Keymap::load (const std::string& file)
+{
+  throw std::string ("unimplemented Keymap::load");
+}
+
+////////////////////////////////////////////////////////////////////////////////