Flow.registerType should indicate if type was missing or not

red/nodes/Flow.js

@@ -462,8 +462,10 @@ Flow.prototype.typeRegistered = function(type) {
             if (this.missingTypes.length === 0 && this.started) {
                 this.start();
             }
+            return true;
         }
     }
+    return false;
     
 }
 

red/nodes/flows.js

@@ -34,8 +34,7 @@ var activeConfig = [];
 var activeConfigNodes = {};
 
 events.on('type-registered',function(type) {
-    if (activeFlow) {
-        activeFlow.typeRegistered(type);
+    if (activeFlow && activeFlow.typeRegistered(type)) {
         log.info("Missing type registered: "+type);
     }
 });