Merge pull request #10 from meteor/fix-set-async

Fix exception when getting meteor ready

Author: leonardoventurini

lib/runtime/entry.js

@@ -396,6 +396,9 @@ Ep.gatherReadyAsyncParents = function (readyList) {
 
 Ep.setAsyncEvaluation = function () {
   if (this.asyncEvaluationIndex !== null) {
+    if (this.status === 'evaluated') {
+      return;
+    }
     throw new Error('setAsyncEvaluation can only be called once');
   }