AMQP-72: Add AmqpTemplate#receiveAndReply methods

JIRA: https://jira.springsource.org/browse/AMQP-72
AMQP-72: PR Comments and others

* rename all methods to `receiveAndReply`
* Return `boolean` flag from `receiveAndReply`: was message received or not
* Add methods with `ReplyToAddressCallback`
* JavaDocs & Reference Manual
AMQP-72: wrap receiveAndReply with doInRabbit

* Add transactional tests
AMQP-72: Fix doReceiveAndReply channel.txCommit()
AMQP-72: Add correlationId to replyMessage
AMQP-72: Use `correlationKey` for receiveAndReply