Bump logstasher from 1.2.1 to 1.2.2 (#2506)
Bump logstasher from 1.2.1 to 1.2.2 (#2506)

Bumps [logstasher](https://github.com/shadabahmed/logstasher) from 1.2.1 to 1.2.2.
- [Changelog](https://github.com/shadabahmed/logstasher/blob/master/CHANGELOG.md)
- [Commits](https://github.com/shadabahmed/logstasher/compare/v1.2.1...v1.2.2)
camallen/Panoptes,zooniverse/Panoptes,zooniverse/Panoptes,zooniverse/Panoptes,camallen/Panoptes,camallen/Panoptes,zooniverse/Panoptes,camallen/Panoptes