Add batchRPC, and add shielded receive txs to the transactions table.

src/utils.h

@@ -18,7 +18,8 @@ public:
 	static double  getDevFee();
 	static double  getTotalFee();
 
-	static const int 	 updateSpeed = 20 * 1000;	// 20 sec
+	static const int 	updateSpeed 		= 20 * 1000;	// 20 sec
+	static const int 	quickUpdateSpeed	= 5  * 1000;	// 5 sec
 private: 	
 	Utils() = delete;
 };