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/Charge.cpp

@@ -56,5 +56,15 @@ std::ostream& operator<< (std::ostream& os, Charge const& v)
     return os;
 }
 
+bool Charge::operator== (Charge const& c) const
+{
+    return c.m_cost == m_cost;
+}
+
+bool Charge::operator!= (Charge const& c) const
+{
+    return c.m_cost != m_cost;
+}
+
 }
 }