Moved smart_ptr contents to subdirectories, switched to a local test/Jamfile.

[SVN r17042]

example/scoped_ptr_example_test.cpp

@@ -0,0 +1,10 @@
+// Boost scoped_ptr_example_test main program  -------------------------------//
+
+#include "scoped_ptr_example.hpp"
+
+int main()
+{
+  example my_example;
+  my_example.do_something();
+  return 0;
+}