Convert to autotools build system for cleanness (part1).

lib/base64.h

@@ -0,0 +1,11 @@
+#include <string>
+
+/// Holds base64 decoding and encoding functions.
+class Base64{
+  private:
+    static const std::string chars;
+    static inline bool is_base64(unsigned char c);
+  public:
+    static std::string encode(std::string const input);
+    static std::string decode(std::string const& encoded_string);
+};