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Thank you for submitting a contribution to Apache NiFi.

In order to streamline the review of the contribution we ask you
to ensure the following steps have been taken:

### For all changes:
- [] Is there a JIRA ticket associated with this PR? Is it referenced 
     in the commit message?

- [] Does your PR title start with NIFI-XXXX where XXXX is the JIRA number you are trying to resolve? Pay particular attention to the hyphen "-" character.

- [] Has your PR been rebased against the latest commit within the target branch (typically master)?

- [] Is your initial contribution a single, squashed commit?

### For code changes:
- [] Have you ensured that the full suite of tests is executed via mvn -Pcontrib-check clean install at the root nifi folder?
- [] Have you written or updated unit tests to verify your changes?
- [] If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0? 
- [] If applicable, have you updated the LICENSE file, including the main LICENSE file under nifi-assembly?
- [] If applicable, have you updated the NOTICE file, including the main NOTICE file found under nifi-assembly?
- [] If adding new Properties, have you added .displayName in addition to .name (programmatic access) for each of the new properties?

### For documentation related changes:
- [] Have you ensured that format looks appropriate for the output in which it is rendered?

### Note:
Please ensure that once the PR is submitted, you check travis-ci for build issues and submit an update to your PR as soon as possible.