kiji-scoring: SCORE-122. KijiFreshnessManager and InternalFreshKijiTableReader should check the record version of retrieved Freshener records to ensure correct behavior.

issue: https://jira.kiji.org/browse/SCORE-122
review: https://review.kiji.org/r/1561
commit: https://github.com/kijiproject/kiji-scoring/commit/302e21971ddf5d8b566c73c0534b99f2110654f5