Enhancement - Hooks

- Added bare bones autoconf changes to support Lua.
- Added API class from metatask.git.
- Added skeleton Hooks class.
- Added 'with_lua' helper script.

src/API.h

@@ -0,0 +1,57 @@
+////////////////////////////////////////////////////////////////////////////////
+// task - a command line task list manager.
+//
+// Copyright 2006 - 2010, 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
+//
+////////////////////////////////////////////////////////////////////////////////
+#ifndef INCLUDED_API
+#define INCLUDED_API
+
+#include "auto.h"
+#ifdef HAVE_LIBLUA
+
+#include <string>
+extern "C"
+{
+  #include "lua.h"
+  #include "lualib.h"
+  #include "lauxlib.h"
+}
+
+class API
+{
+public:
+  API ();
+  API (const API&);
+  API& operator= (const API&);
+  ~API ();
+
+  void initialize ();
+
+public:
+  lua_State* L;
+};
+
+#endif
+#endif
+////////////////////////////////////////////////////////////////////////////////