Update kafka-src to 0.8.0 tag
allow for timeout to be None in SimpleConsumer.get_messages
fix typo in README acks_timeout -> ack_timeout
Merge pull request #78 from zever/README-typo

fix typo in README acks_timeout -> ack_timeout
Merge pull request #77 from zever/timeout-none

allow for timeout to be None in SimpleConsumer.get_messages
reduce memory copies when consuming kafka responses
Replaced _send_upstream datetime logic with simpler time().
Remove tox from requires

Fixes #85
Merge pull request #83 from eklitzke/master

reduce memory copies when consuming kafka responses
Merge pull request #84 from nieksand/simpler_timeouts

Replace _send_upstream datetime logic with simpler time().
Merge branch 'master' of git://github.com/mrtheb/kafka-python

Conflicts:
	setup.py