PHONE-5. Update example code to KijiMR.

Signed-off-by: Aaron Kimball <aaron@wibidata.com>
SCHEMA-59. Depend on a platform module.

Declares explicit hadoop/hbase version expectations to work with
the multi-backend version of KijiSchema (post SCHEMA-52).
PHONE-6. Use deprecated KijiSchema MR classes.
PHONE-7. Set zip code to 'int' in layout.

Also fixes issue with MapReduce jobs:
sets the OutputFormat to NullOutputFormat.
Update dependency versions for release.
[maven-release-plugin] prepare release kiji-phonebook-1.0.0-rc2
[maven-release-plugin] prepare for next development iteration
Update dependency versions for development.