Add the skeleton of the new client app.

lib/globals.h

@@ -0,0 +1,35 @@
+#ifndef GLOBALS_H
+#define GLOBALS_H
+
+#include <vector>
+#include <map>
+#include <string>
+#include <sstream>
+#include <iostream>
+#include <functional>
+
+typedef int nanoseconds_t;
+
+extern double getCurrentTime();
+
+class Error
+{
+public:
+    ~Error()
+    {
+        std::cerr << "Error: " << _stream.str() << std::endl;
+        exit(1);
+    }
+
+    template <typename T>
+    Error& operator<<(T&& t)
+    {
+        _stream << t;
+        return *this;
+    }
+
+private:
+    std::stringstream _stream;
+};
+
+#endif