Tidying & Selectively forward manifests to peers:

* Do not forward manifests to peers that already know that manifest
* Do not forward historical manifests to peers
* Save/Load ValidatorManifests from a database
* Python test for setting ephmeral keys
* Cleanup manifest interface

src/ripple/protocol/AnyPublicKey.h

@@ -123,7 +123,8 @@ public:
     AnyPublicKey& operator= (AnyPublicKey&& other)
     {
         buffer_type::member =
-            std::move(other.buffer_type::member);
+            std::move (other.buffer_type::member);
+        AnyPublicKeySlice::operator= (other);
         return *this;
     }
 #else
@@ -179,6 +180,9 @@ struct STExchange<STBlob, AnyPublicKey>
     }
 };
 
+std::string
+toString (AnyPublicKey const& pk);
+
 } // ripple
 
 #endif