upgrade libraries to work around security issues

There are a number of libraries which need updating.  Among other reasons, there are several security issues filed in CVE for [Hadoop](https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=hadoop) and [guava](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10237)

**Reporter**: [Matt Darwin](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=mdarwin) / @mattdarwin
#### PRs and other links:
- [GitHub Pull Request #508](https://github.com/apache/parquet-mr/pull/508)

_{**Note**: *This issue was originally created as [PARQUET-1367](https://issues.apache.org/jira/browse/PARQUET-1367). Please see the [migration documentation](https://issues.apache.org/jira/browse/PARQUET-2502) for further details.*}

Start with pull request #508 and the linked Hadoop and Guava CVE references; inspect which dependency updates it proposes. Done means the affected libraries are upgraded to address the reported security issues, with the result aligned with that pull request.

Written by the indexing model from the issue text.