kiji-rest: REST-127. Create separate packaging of CDH4/5 compatible KijiREST.

Create a new set of submodules with actual pom.xml runtime bound dependencies
that will be used to concretely package KijiREST with the right set of
HBase/Hadoop dependencies.

Review: https://review.kiji.org/r/1966/
Reviewer: taton
commit: https://github.com/kijiproject/kiji-rest/commit/72743378d2ad06c5b771bedc2e88f2ae6bcf474e
kiji-schema: SCHEMA-695. Rebase and merge all Cassandra code onto master

issue: https://jira.kiji.org/browse/SCHEMA-695
review: https://review.kiji.org/r/1963
commit: https://github.com/kijiproject/kiji-schema/commit/fc0de9f536fd58735dce166cec6bd4a71219491d
kiji-schema: SCHEMA-842.  Translate eid components names to C* col names.

Avoid conflicts with CQL keywords, other columns (e.g., "version") in
the Cassandra Kiji tables.

review: https://review.kiji.org/r/1970
issue: https://jira.kiji.org/SCHEMA-842
commit: https://github.com/kijiproject/kiji-schema/commit/0ab73b91d814dbfc6a4e04dc5ceae4aa64489b0f