kiji-mapreduce: KIJIMR-261. Broken progress reporting in KijiTableInputFormat

 - Fix checkstyle issues and integration test.

over-the-shoulder-reviewers: lsheng
commit: https://github.com/kijiproject/kiji-mapreduce/commit/f3feb3651d7b14b72f32d7ece889bae2b4a5a318