add/update license headers
diff --git a/pregelix/pregelix-example/src/test/resources/log4j.properties b/pregelix/pregelix-example/src/test/resources/log4j.properties
index d5e6004..0be7ebf 100755
--- a/pregelix/pregelix-example/src/test/resources/log4j.properties
+++ b/pregelix/pregelix-example/src/test/resources/log4j.properties
@@ -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.
+#*/
# Define some default values that can be overridden by system properties
hadoop.root.logger=FATAL,console
hadoop.log.dir=.