kiji-schema: SCHEMA-336. KijiResult wrapping an HBase Result

issue: https://jira.kiji.org/browse/SCHEMA-336
review: https://review.kiji.org/r/1687

review: https://review.kiji.org/r/1687
contributed-by: ajprax (Aaron Feldstein, afeldstein@wibidata.com)

review: https://review.kiji.org/r/1687
contributed-by: ajprax (Aaron Feldstein, afeldstein@wibidata.com)
commit: https://github.com/kijiproject/kiji-schema/commit/327fa6cde9c993b8c98a9806fecdddeb2ff5e312