Cleanups.

src/newcoin.proto

@@ -80,13 +80,13 @@ enum NodeStatus {
 	nsCONNECTED		= 2;		// convinced we are connected to the real network
 	nsMONITORING	= 3;		// we know what the previous ledger is
 	nsVALIDATING	= 4;		// we have the full ledger contents
+	nsSHUTTING		= 5;		// node is shutting down
 }
 
 enum NodeEvent {
 	neCLOSING_LEDGER	= 1;	// closing a ledger because its close time has come
 	neACCEPTED_LEDGER	= 2;	// accepting a closed ledger, we have finished computing it
-	neSWITCHED_LEDGER	= 3;	// switching ledgers due to network consensus 
-	neSHUTTING_DOWN		= 4;
+	neSWITCHED_LEDGER	= 3;	// changing due to network consensus
 }
 
 message TMStatusChange {