Fixed pipelining policy to indicate that consumer does not wait for producer to finish

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_dev_next@730 123451ca-8445-de46-9d55-352943316053
diff --git a/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/connectors/PipeliningConnectorPolicy.java b/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/connectors/PipeliningConnectorPolicy.java
index 39b3904..b55947e 100644
--- a/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/connectors/PipeliningConnectorPolicy.java
+++ b/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/connectors/PipeliningConnectorPolicy.java
@@ -24,7 +24,7 @@
 
     @Override
     public boolean consumerWaitsForProducerToFinish() {
-        return true;
+        return false;
     }
 
     @Override