removed out-of-date help text
bumped rabbitmq client version to 3.0.4
fix issues #6 - only declare queue & exchange when channel is created
null out closed channel to force reopen
added
    pub/sub : Aggregate sample results to make it more like the JMS sampler
    pub: Persistent Message Option to set easily set message type, Use publisher Confirms to fsync messages
    sub: Read response, prefetch count
removed publisher confirms.
improved consumer consumption rates by caching consumer.
added transaction support.
variable declaration cleanup
updated rabbit client jar filename in README
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/main/com/zeroclue/jmeter/protocol/amqp/AMQPSampler.java