SAMZA-260; run hello-samza without internet
SAMZA-32; make AM dashboard look better
SAMZA-266; allow empty checkpoint factory config
SAMZA-253: Consensus shutdown API and per-task commit API. Reviewed by Chris Riccomini.
SAMZA-269: SerdeManager should pass through envelope objects if not modified
SAMZA-264; convert Samza website to bootstrap
SAMZA-138; add a file system consumer
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.
SAMZA-280: Need KEYS file.
SAMZA-282: Need NOTICE file
SAMZA-92: More files in need of license headers
SAMZA-288: Remove kill-AM-over-REST call