SAMZA-267; offset manager should not fail if task.inputs is changed
SAMZA-186: Upgrade Samza to YARN 2.4
SAMZA-271; remove dead code from kafka system consumer
SAMZA-270; fix erasure warning in TestKeyValuePerformance
SAMZA-224. Fix race condition in TestStatefulTask
SAMZA-275: Fix logging of exception stack traces at debug level.
SAMZA-249; skip git add in generate-javadocs.sh
SAMZA-7: Rewrite Container section of docs to bring it up-to-date. Reviewed by Jakob Homan.
SAMZA-144; add stream level overrides for fetch size.