Bump json from 20140107 to 20180813
Bump json from 20140107 to 20180813

Bumps [json](https://github.com/douglascrockford/JSON-java) from 20140107 to 20180813.
- [Release notes](https://github.com/douglascrockford/JSON-java/releases)
- [Commits](https://github.com/douglascrockford/JSON-java/commits/20180813)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
fengtingzhang/dropwizard-es