Merge remote-tracking branch 'origin/release/1.4' into develop

Author: chtyim

pom.xml

@@ -280,7 +280,7 @@
         <version>1.1.0</version>
         <configuration>
           <cdapArtifacts>
-            <parent>system:cdap-data-pipeline[5.0.0-SNAPSHOT,9.0.0-SNAPSHOT)</parent>
+            <parent>system:cdap-data-pipeline[6.1.0-SNAPSHOT,9.0.0-SNAPSHOT)</parent>
           </cdapArtifacts>
         </configuration>
         <executions>