Add Discussion to Publishing to RabbitMQ
Add links
Corrections
Link to API reference
Rearrange paragraphs
Second RabbitMQ recipe: consuming from RabbitMQ
Mention "advanced" queue features
Update Network IO & Web Services TOC to include both RabbitMQ recipes
Merge pull request #215 from michaelklishin/rabbitmq-chapters-part2

RabbitMQ recipe updates; another RabbitMQ recipe