Initial ramdisk support

- Create initrd library to support definitions and loading
- Allow tools compiled for the host machine to be built by wscript
- Create makerd tool to build initrd from manifest
- Move screenfont to initrd, so don't load framebuffer initially

src/tools/makerd/entry.h

@@ -0,0 +1,23 @@
+#pragma once
+#include <string>
+#include <fstream>
+
+class entry
+{
+public:
+	entry(const std::string &in, const std::string &out);
+
+	inline const std::string & in() const { return m_in; }
+	inline const std::string & out() const { return m_out; }
+	inline const std::ifstream & file() const { return m_file; }
+
+	inline size_t size() const { return m_size; }
+	inline bool good() const { return m_file.good(); }
+
+private:
+	std::string m_in;
+	std::string m_out;
+	std::ifstream m_file;
+	size_t m_size;
+};
+