Gerrit-to-github-issues

* Fix deleted logging configuration call
* Adds --log-file option to specify a file to log to
* Add logic to remove issue numbers from 'related' that are duplicated in 'closed'

* Fix closes message to only be printed on new related changes
* Finalize changes for 0.0.1 build
* Prepare project for packaging
* Implement Relates-To and Closes tagging
* Test and debug interactions
* Implement Gerrit change retrieval and processing
* Add initial script implemented in a Zuul playbook
* Initial commit