kiji-model-repository: KIJIREPO-43. kiji model-repo list should default to include all fields

issue: https://jira.kiji.org/browse/KIJIREPO-43
review: https://review.kiji.org/r/1664
commit: https://github.com/kijiproject/kiji-model-repository/commit/ca2c3a9b7b6b384f5731e82d150cdd2ad78853d5