Update samples

samples/HelloPhobos/Hello/CMakeLists.txt

@@ -0,0 +1,3 @@
+# Create a library called "Hello" which includes the source file "hello.cxx".
+# The extension is already found.  Any number of sources could be listed here.
+ADD_LIBRARY (Hello hello.d)

samples/HelloPhobos/Hello/hello.d

@@ -0,0 +1,14 @@
+module Hello.hello;
+
+import std.stdio;
+
+class Hail
+{
+public:
+  void Print()
+  {
+     writefln ("Hello, World!");
+  }
+}
+
+