kiji-mapreduce: KIJIMR-278. bump schema version; fix javadoc links; remove logOr* in tests

issue: https://jira.kiji.org/browse/KIJIMR-278
review: https://review.kiji.org/r/1861
commit: https://github.com/kijiproject/kiji-mapreduce/commit/eeb4480252528f74d4d223149e2fb4d3184ad32c