integrated zlib and libpng; initial driver work

hecl/driver/CToolPackage.hpp

@@ -0,0 +1,19 @@
+#ifndef MAIN_CPP
+#error This file may only be included from main.cpp
+#endif
+
+#include <vector>
+#include <string>
+#include "CToolBase.hpp"
+
+class CToolPackage : public CToolBase
+{
+public:
+    CToolPackage(const std::vector<std::string>& args)
+    : CToolBase(args)
+    {
+    }
+    ~CToolPackage()
+    {
+    }
+};