DER encoding: Make the Any stub a class with stub constructors.
diff --git a/ndn-cpp/encoding/der/visitor/simple-visitor.cpp b/ndn-cpp/encoding/der/visitor/simple-visitor.cpp
index f71ad56..5845e22 100644
--- a/ndn-cpp/encoding/der/visitor/simple-visitor.cpp
+++ b/ndn-cpp/encoding/der/visitor/simple-visitor.cpp
@@ -28,7 +28,6 @@
   return Any(result);
 }
 
-#if 0
 Any 
 SimpleVisitor::visit(DerInteger& derInteger)
 {
@@ -38,7 +37,7 @@
 Any 
 SimpleVisitor::visit(DerPrintableString& derPStr)
 {
-  return Any(string(derPStr.getPayload().buf(), derPStr.getPayload().size()));
+  return Any(string((const char*)&derPStr.getPayload()[0], derPStr.getPayload().size()));
 }
 
 Any 
@@ -56,7 +55,7 @@
 Any 
 SimpleVisitor::visit(DerOctetString& derOStr)
 {
-  Ptr<Blob> result = Ptr<Blob>(new Blob(derOStr.getPayload().buf(), derOStr.getPayload().size()));
+  vector<uint8_t> result(derOStr.getPayload());
   return Any(result);
 }
 
@@ -66,7 +65,7 @@
   vector<int> intList;
   int offset = 0;
 
-  Blob & blob = derOid.getPayload();
+  vector<uint8_t>& blob = derOid.getPayload();
     
   int first = blob[offset];
   
@@ -88,10 +87,11 @@
   return Any();
 }
 
+#if 0 // TODO: Implmenent alternative to boost::posix_time::from_iso_string.
 Any 
 SimpleVisitor::visit(DerGtime& derGtime)
 {
-  string str(derGtime.getPayload().buf() , derGtime.getPayload().size());
+  string str((const char*)&derGtime.getPayload()[0], derGtime.getPayload().size());
   return Any(boost::posix_time::from_iso_string(str.substr(0, 8) + "T" + str.substr(8, 6)));
 }
 #endif
diff --git a/ndn-cpp/encoding/der/visitor/visitor.hpp b/ndn-cpp/encoding/der/visitor/visitor.hpp
index a251701..6d04703 100644
--- a/ndn-cpp/encoding/der/visitor/visitor.hpp
+++ b/ndn-cpp/encoding/der/visitor/visitor.hpp
@@ -13,9 +13,14 @@
 
 namespace der {
   
-// TODO: We want to implement an any type, but avoid boost::any which is not in the C++ standard library.
-typedef void *Any;
-
+// TODO: This is a stub. We want to implement an any type, but avoid boost::any which is not in the C++ standard library.
+class Any {
+public:
+  Any() {}
+  
+  template<class T> Any(const T& value) {}
+};
+  
 class DerBool;
 class DerInteger;
 class DerPrintableString;