Change License Headers

Also tweak the NOTICE file with some extras.

Change-Id:I09bc388089e515d7f51fd39c31bfbbc9f00cf84f
Reviewed-on: https://asterix-gerrit.ics.uci.edu/388
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>
diff --git a/asterix-doc/src/site/site.xml b/asterix-doc/src/site/site.xml
index 37a0e53..832a121 100644
--- a/asterix-doc/src/site/site.xml
+++ b/asterix-doc/src/site/site.xml
@@ -1,18 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
 
 <!--
- ! 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
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements.  See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership.  The ASF licenses this file
+ ! to you 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 at
  !
- !     http://www.apache.org/licenses/LICENSE-2.0
+ !   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.
+ ! 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 name="AsterixDB" xmlns="http://maven.apache.org/DECORATION/1.0.0"