add/update license headers
diff --git a/hyracks/hyracks-hadoop-compat/pom.xml b/hyracks/hyracks-hadoop-compat/pom.xml
index f9b1b3a..1db13c7 100644
--- a/hyracks/hyracks-hadoop-compat/pom.xml
+++ b/hyracks/hyracks-hadoop-compat/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-hadoop-compat</artifactId>
diff --git a/hyracks/hyracks-hadoop-compat/src/main/assembly/binary-assembly.xml b/hyracks/hyracks-hadoop-compat/src/main/assembly/binary-assembly.xml
index 0500499..e722e72 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/assembly/binary-assembly.xml
+++ b/hyracks/hyracks-hadoop-compat/src/main/assembly/binary-assembly.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.
+ !-->
 <assembly>
   <id>binary-assembly</id>
   <formats>
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/client/HyracksClient.java b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/client/HyracksClient.java
index 89cc1e5..f42fa9a 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/client/HyracksClient.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/client/HyracksClient.java
@@ -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.
+ */
 package edu.uci.ics.hyracks.hadoop.compat.client;
 
 import java.util.EnumSet;
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/client/HyracksRunningJob.java b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/client/HyracksRunningJob.java
index 776fd54..4766cb9 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/client/HyracksRunningJob.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/client/HyracksRunningJob.java
@@ -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.
+ */
 package edu.uci.ics.hyracks.hadoop.compat.client;
 
 import java.io.IOException;
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/driver/CompatibilityLayer.java b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/driver/CompatibilityLayer.java
index bf09bb0..b7d83c9 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/driver/CompatibilityLayer.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/driver/CompatibilityLayer.java
@@ -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.
+ */
 package edu.uci.ics.hyracks.hadoop.compat.driver;
 
 import java.io.IOException;
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/CompatibilityConfig.java b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/CompatibilityConfig.java
index 6d94bc7..328d6bd 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/CompatibilityConfig.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/CompatibilityConfig.java
@@ -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.
+ */
 package edu.uci.ics.hyracks.hadoop.compat.util;
 
 import org.kohsuke.args4j.Option;
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/ConfigurationConstants.java b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/ConfigurationConstants.java
index 281e58b..c8186217 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/ConfigurationConstants.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/ConfigurationConstants.java
@@ -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.
+ */
 package edu.uci.ics.hyracks.hadoop.compat.util;
 
 public class ConfigurationConstants {
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/DCacheHandler.java b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/DCacheHandler.java
index 045cd76..137e1f9 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/DCacheHandler.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/DCacheHandler.java
@@ -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.
+ */
 package edu.uci.ics.hyracks.hadoop.compat.util;
 
 import java.io.IOException;
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/HadoopAdapter.java b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/HadoopAdapter.java
index 1d6369a..3cab22d 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/HadoopAdapter.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/HadoopAdapter.java
@@ -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.
+ */
 package edu.uci.ics.hyracks.hadoop.compat.util;
 
 import java.io.IOException;
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/Utilities.java b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/Utilities.java
index 4110f04..d80f55d 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/Utilities.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/edu/uci/ics/hyracks/hadoop/compat/util/Utilities.java
@@ -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.
+ */
 package edu.uci.ics.hyracks.hadoop.compat.util;
 
 import java.io.BufferedReader;