Tagging for version 2.1.4
Reduced dataset size for 19 migration test
Back to development version.
Moves version in poms to 2.1.5-SNAPSHOT
Merge pull request #2990 from lutovich/2.1-smaller_dataset_for_19_migration_test

Reduced dataset size for 19 migration test
[2.1] Print logs from flaky test shouldUpgradeDatabase().