KIJIMR-300. Disable IntegrationTestCassandraKijiTableInputFormat until we understand why it fails on Jenkins

issue: https://jira.kiji.org/browse/KIJIMR-300
review: https://review.kiji.org/r/2104
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.