Consumers

• Initial support for consumer coordinator: offsets only (toddpalino PR 420)
• Allow blocking until some messages are received in SimpleConsumer (saaros PR 457)
• Support subclass config changes in KafkaConsumer (zackdever PR 446)
• Support retry semantics in MultiProcessConsumer (barricadeio PR 456)
• Support partition_info in MultiProcessConsumer (scrapinghub PR 418)
• Enable seek() to an absolute offset in SimpleConsumer (haosdent PR 412)
• Add KafkaConsumer.close() (ucarion PR 426)

Producers

• Catch client.reinit() exceptions in async producer (dpkp)
• Producer.stop() now blocks until async thread completes (dpkp PR 485)
• Catch errors during load_metadata_for_topics in async producer (bschopman PR 467)
• Add compression-level support for codecs that support it (trbs PR 454)
• Fix translation of Java murmur2 code, fix byte encoding for Python 3 (chrischamberlin PR 439)
• Only call stop() on not-stopped producer objects (docker-hub PR 435)
• Allow null payload for deletion feature (scrapinghub PR 409)

Clients

• Use non-blocking io for broker aware requests (ecanzonieri PR 473)
• Use debug logging level for metadata request (ecanzonieri PR 415)
• Catch KafkaUnavailableError in _send_broker_aware_request (mutability PR 436)
• Lower logging level on replica not available and commit (ecanzonieri PR 415)

Documentation

• Update docs and links wrt maintainer change (mumrah -> dpkp)

Internals

• Add py35 to tox testing
• Update travis config to use container infrastructure
• Add 0.8.2.2 and 0.9.0.0 resources for integration tests; update default official releases
• new pylint disables for pylint 1.5.1 (zackdever PR 481)
• Fix python3 / python2 comments re queue/Queue (dpkp)
• Add Murmur2Partitioner to kafka all imports (dpkp Issue 471)
• Include LICENSE in PyPI sdist (koobs PR 441)