add/update license headers
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-common/pom.xml b/hyracks/hyracks-yarn/hyracks-yarn-common/pom.xml
index fe210fd..6454926 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-common/pom.xml
+++ b/hyracks/hyracks-yarn/hyracks-yarn-common/pom.xml
@@ -1,3 +1,17 @@
+<!--
+ ! Copyright 2009-2013 by The Regents of the University of California
+ ! Licensed under the Apache License, Version 2.0 (the "License");
+ ! you may not use this file except in compliance with the License.
+ ! you may obtain a copy of the License from
+ ! 
+ !     http://www.apache.org/licenses/LICENSE-2.0
+ ! 
+ ! Unless required by applicable law or agreed to in writing, software
+ ! distributed under the License is distributed on an "AS IS" BASIS,
+ ! WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ ! See the License for the specific language governing permissions and
+ ! limitations under the License.
+ !-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <artifactId>hyracks-yarn-common</artifactId>
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/protocols/amrm/AMRMConnection.java b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/protocols/amrm/AMRMConnection.java
index 7181bc3..b607e7e 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/protocols/amrm/AMRMConnection.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/protocols/amrm/AMRMConnection.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2009-2010 by The Regents of the University of California
+ * Copyright 2009-2013 by The Regents of the University of California
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * you may obtain a copy of the License from
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/protocols/clientrm/YarnApplication.java b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/protocols/clientrm/YarnApplication.java
index ca099aa..b3d8496 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/protocols/clientrm/YarnApplication.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/protocols/clientrm/YarnApplication.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2009-2010 by The Regents of the University of California
+ * Copyright 2009-2013 by The Regents of the University of California
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * you may obtain a copy of the License from
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/protocols/clientrm/YarnClientRMConnection.java b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/protocols/clientrm/YarnClientRMConnection.java
index bb42fab..b42ed1b 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/protocols/clientrm/YarnClientRMConnection.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/protocols/clientrm/YarnClientRMConnection.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2009-2010 by The Regents of the University of California
+ * Copyright 2009-2013 by The Regents of the University of California
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * you may obtain a copy of the License from
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/resources/LocalResourceHelper.java b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/resources/LocalResourceHelper.java
index b30c4a1..1d46e96 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/resources/LocalResourceHelper.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/resources/LocalResourceHelper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2009-2010 by The Regents of the University of California
+ * Copyright 2009-2013 by The Regents of the University of California
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * you may obtain a copy of the License from
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/resources/ResourceHelper.java b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/resources/ResourceHelper.java
index 20267b7..422e728 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/resources/ResourceHelper.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/edu/uci/ics/hyracks/yarn/common/resources/ResourceHelper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2009-2010 by The Regents of the University of California
+ * Copyright 2009-2013 by The Regents of the University of California
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * you may obtain a copy of the License from