Added Data constructor with Name
diff --git a/ndn-cpp/data.hpp b/ndn-cpp/data.hpp
index 7e954d2..f7fa747 100644
--- a/ndn-cpp/data.hpp
+++ b/ndn-cpp/data.hpp
@@ -121,6 +121,15 @@
   
 class Data {
 public:
+  Data() 
+  {
+  }
+  
+  Data(const Name &name)
+  : name_(name)
+  {
+  }
+  
   ptr_lib::shared_ptr<std::vector<unsigned char> > wireEncode(WireFormat &wireFormat) const 
   {
     return wireFormat.encodeData(*this);