add/update license headers
diff --git a/pregelix/pregelix-dist/src/main/resources/scripts/pregelix.bat b/pregelix/pregelix-dist/src/main/resources/scripts/pregelix.bat
index 536e3c8..fe53029 100644
--- a/pregelix/pregelix-dist/src/main/resources/scripts/pregelix.bat
+++ b/pregelix/pregelix-dist/src/main/resources/scripts/pregelix.bat
@@ -1,3 +1,17 @@
+@rem /*
+@rem Copyright 2009-2013 by The Regents of the University of California
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem you may obtain a copy of the License from
+@rem
+@rem http://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem */
@REM ----------------------------------------------------------------------------
@REM Copyright 2001-2006 The Apache Software Foundation.
@REM