Refactored WSConnection and RPCHandler to have one layer of commands.

Evented RPC commands are now on the same level as all other RPC
commands and are handled by the RPCHandler class.

src/cpp/ripple/NetworkOPs.h

@@ -28,6 +28,16 @@ public:
 	virtual ~InfoSub() { ; }
 
 	virtual	void send(const Json::Value& jvObj) = 0;
+
+protected:
+	boost::unordered_set<RippleAddress>			mSubAccountInfo;
+	boost::unordered_set<RippleAddress>			mSubAccountTransaction;
+
+public:
+  void insertSubAccountInfo(RippleAddress addr)
+  {
+    mSubAccountInfo.insert(addr);
+  }
 };
 
 class NetworkOPs