
Copyright 2015-2016 Chris Dent

    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 at

        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.
