KIJIMR-147. Improves information recorded by JobHistoryKijiTable.

- Adds a jobEndStatus column which stores "SUCCEEDED" or "FAILED" currently.
 - Adds a test for failing jobs.
 - Adds a map family 'extendedInfo' to job history table to make changing it
   more flexible going forward.
 - Changes layout version of job history layout to layout-1.1 from kiji-1.0