KIJIMR-294. Add group ID to maven-archetype-plugin.

issue: https://jira.kiji.org/browse/KIJIMR-294
review: https://review.kiji.org/r/2065
Lots of pom file tweaking. Adds getProgress() to KijiMultithreadedMapper's inner class.
Gets some more tests to pass.
Minor whitespace tidying.
All unit tests passing.

Issue was some keys not being populated in Configurations.
All unit tests pass. Testing integration tests now.
Pom tweaking for integration tests.
KIJIMR-302. Bumps version of fake-hbase to cdh5.0.3 version.

issue: https://jira.kiji.org/browse/KIJIMR-302
review: https://review.kiji.org/r/2119
Update root pom version to 1.2.1-S
Fixes for CDH5.

 - Drop cdh5 version property
 - Update cassandra and profiling modules to cdh5.