kiji-bento: BENTO-71. Bump KijiREST dependency to 1.3.0-SNAPSHOT.

issue: https://jira.kiji.org/browse/BENTO-71
review: https://review.kiji.org/r/1682
commit: https://github.com/kijiproject/kiji-bento/commit/ac911742803414d1ada356c6211ffadf2d683dfb