SAMZA-185: Upgrade Samza to Kafka 0.8.1. Reviewed by Chris Riccomini.
SAMZA-191: Per-SSP poll count metric is overly expensive.
SAMZA-188: Change references in docs to newly hosted ASF hello-samza.
SAMZA-175: Bind AM Jetty server to 0
SMAZA-194: createStreamPartitionString should not use characters that overlap with uris
SAMZA-161: Fix the warnings in check task
SAMZA-174: General-purpose implementation of a retry loop. Reviewed by Chris Riccomini.
SAMZA-193; closing a disconnected KafkaCheckpointManager triggers an NPE
SAMZA-178: Don't catch Throwable, because we want OutOfMemoryError to kill the process. Reviewed by Chris Riccomini.
SAMZA-176: Improve docs for MessageCollector. Reviewed by Jakob Homan.
SAMZA-201; close store in test key value stores.
SAMZA-44; change state topic phrasing in kafka checkpoint manager to be checkpoint topic
SAMZA-197: Use JSON rather than custom encoding for container SSPs.
SAMZA-203; fix changelog restore performance by increasing flushThreshold in kafka system consumer
Test fails with this patch. Reverting to fix.

Revert "SAMZA-203; fix changelog restore performance by increasing flushThreshold in kafka system consumer"

This reverts commit 87f19fcd0ba38124fd231ac314d056180643931b.
SAMZA-203; fix changelog restore performance by increasing flushThreshold in kafka system consumer
SAMZA-206; fix build error for scala 2.9.2
DOCS; remove bullet item saying that this code is not in production.
SAMZA-209: Use timeout setting when fetching metadata
SAMZA-210: Fix directory name in hello-samza docs