This library is free software; you can redistribute it and/or
modify it under the terms of the Apache License, Version 2.0
as published by the Apache Software Foundation; either
version 2.0 of the License, or (at your option) any later version.

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.

You should have received a copy of the Apache License along with this
library; if not, write to the The Apache Software Foundation
401 Edgewater Place, Suite 600, Wakefield, MA 01880 U.S.A.

See APACHE-LICENSE-2.0.txt next to this file or 
   http://www.apache.org/licenses/LICENSE-2.0
for the text of the Apache License, Version 2.0.