Allow KafkaClient to take in a list of brokers for bootstrapping
Merge branch 'master' into multihosts

Conflicts:
	kafka/client.py
	kafka/conn.py
	setup.py
	test/test_integration.py
	test/test_unit.py
Support list (or comma-separated) of hosts (replaces host and port arguments)
clean up after comments from @rdiomar
Merge pull request #122 from mrtheb/multihosts

Support for multiple hosts on KafkaClient boostrap (improves on #70)