cameo/: add "stl" command to generate STL slices (WIP)

cameo/stl.h

@@ -0,0 +1,23 @@
+/*
+ * stl.h - Genererate STL slice from polygon set
+ *
+ * Written 2013 by Werner Almesberger
+ * Copyright 2013 Werner Almesberger
+ *
+ * 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.
+ */
+
+
+#ifndef STL_H
+#define STL_H
+
+
+#include "path.h"
+
+
+void stl(const char *name, const struct path *paths);
+
+#endif /* !STL_H */