say "Present" in NOTICE.md
this way we don't have to continuously update the year. this approach
seems to be cromulent - CF projects do the same thing.
-Copyright 2014-2018 Alex Suraci, Chris Brown, and Pivotal Software, Inc.
+Copyright 2014-Present Alex Suraci, Chris Brown, and Pivotal Software, Inc.
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
