* fix minor bugs during smtp-tls parsing, add docker-compose for local elasticsearch, add smtp-tls tests
* fix wrong log message parameter
* fix wrong log message
* add contact-info to smtp tls report, fix wrong fieldnames
* fix wrong fieldnames
* fix wrong index name for search
* at least for some reporting organizations the field sending-mta-ip is optional...
* add missing fields to elasticsearch for smtp tls
* failure_details is a list, add more test cases
* fix wrong name in ci.ini
* updates `parse_aggregate_report_xml` to not raise an unhandled
exception on parsing errors
* adds an empty xml file to the aggregate test samples
* adds test for coverage
* Resolves#348