For release 2.50

## For release 2.50

### codjo-sandbox requests:
* Impacts due to move of the Statistics class from codjo-sql to codjo-util                https://github.com/codjo/codjo-administration/7
* Adds logs with detailed statistics about segmentation process       https://github.com/codjo/codjo-segmentation/pull/8
* Moves Statistics class from codjo-sql to codjo-util             https://github.com/codjo/codjo-sql/pull/10
* Moves ListAppender class from codjo-agent to codjo-test         https://github.com/codjo/codjo-agent/pull/7
* Moves ListAppender class from codjo-agent to codjo-test         https://github.com/codjo/codjo-test/pull/10
* Moves Statistics class from codjo-sql to codjo-util             https://github.com/codjo/codjo-util/pull/9
* Passwords changed for test accounts             https://github.com/codjo/codjo-ads/pull/10