New ResourceManager for managing server load.

* Track abusive endpoints
* Gossip across cluster.
* Use resource manager's gossip support to share load reporting across a cluster
* Swtich from legacy fees to new Resource::Charge fees.
* Connect RPC to the new resource manager.
* Set load levels where needed in RPC/websocket commands.
* Disconnect abusive peer endpoints.
* Don't start conversations with abusive peer endpoints.
* Move Resource::Consumer to InfoSub and remove LoadSource
* Remove port from inbound Consumer keys
* Add details in getJson
* Fix doAccountCurrencies for the new resource manager.

src/ripple/resource/impl/Manager.cpp

@@ -68,6 +68,18 @@ public:
 
     //--------------------------------------------------------------------------
 
+    Json::Value getJson ()
+    {
+        return m_logic.getJson ();
+    }
+
+    Json::Value getJson (int threshold)
+    {
+        return m_logic.getJson (threshold);
+    }
+
+    //--------------------------------------------------------------------------
+
     void onWrite (PropertyStream::Map& map)
     {
         m_logic.onWrite (map);