kiji-model-repository: KIJIREPO-39. Update to include the ModelContainer instead of ModelLifecycle

issue: https://jira.kiji.org/browse/KIJIREPO-39
review: https://review.kiji.org/r/1636
commit: https://github.com/kijiproject/kiji-model-repository/commit/127d0c7f91da1b9d280134d657322260d4684e5d