Add linklist test program.

tests/hellolinklist/hellolinklist.cpp

@@ -0,0 +1,40 @@
+#include <string>
+#include <iostream>
+#include <string.h>
+#include <malloc.h>
+
+
+struct Location {
+    std::string      city;
+    std::string      state;
+    int              zip;
+};
+
+struct Person {
+    std::string      name;
+    int              age;
+    float            salary;
+    struct Location* location;
+};
+
+
+int main (int argc, char** argv) {
+
+    Person me;
+
+    me.name            = "Pasveer, Ernie";
+    me.age             = 60;
+    me.salary          = 0.25;
+
+  //me.location = (struct Location*)malloc(sizeof(struct Location));
+    me.location = new Location;
+
+    me.location->city   = "Houston";
+    me.location->state  = "Texas";
+    me.location->zip    = 77063;
+
+    std::cout << "'" << me.name << "', from '" << me.location->city << "', is " << me.age << " years old and makes " << me.salary << " per year." << std::endl;
+
+    return 0;
+}
+