TNG 13.x Database Structure Update

ALTER TABLE tng_dna_tests MODIFY significant_snp VARCHAR(255) NOT NULL ... done
ALTER TABLE tng_families MODIFY changedby VARCHAR(100) NOT NULL ... done
ALTER TABLE tng_families MODIFY edituser VARCHAR(100) NOT NULL ... done
ALTER TABLE tng_media MODIFY changedby VARCHAR(100) NOT NULL ... done
ALTER TABLE tng_people MODIFY changedby VARCHAR(100) NOT NULL ... done
ALTER TABLE tng_people MODIFY edituser VARCHAR(100) NOT NULL ... done
ALTER TABLE tng_places MODIFY changedby VARCHAR(100) NOT NULL ... done
ALTER TABLE tng_repositories MODIFY changedby VARCHAR(100) NOT NULL ... done